Contradiction with Numbers 3:28
Numbers 3:28 provides the count of Levites and their duties, which differs from the count and context of the tribes provided in Numbers 26:20.
Numbers 3:28: In the number of all the males, from a month old and upward, [were] eight thousand and six hundred, keeping the charge of the sanctuary.
Contradiction with Numbers 1:32
Numbers 1:32 lists the enrollment of the sons of Joseph, Ephraim, and Manasseh, which might present a differing tribal count from Numbers 26:20.
Numbers 1:32: Of the children of Joseph, [namely], of the children of Ephraim, by their generations, after their families, by the house of their fathers, according to the number of the names, from twenty years old and upward, all that were able to go forth to war;
Contradiction with Numbers 26:57-59
Numbers 26:57-59 provides the genealogy and count for the Levites, contrasting with the Judahite lineage in Numbers 26:20.
Numbers 26:57-59: And these [are] they that were numbered of the Levites after their families: of Gershon, the family of the Gershonites: of Kohath, the family of the Kohathites: of Merari, the family of the Merarites.
Contradiction with Genesis 46:12
Genesis 46:12 states the sons of Judah, their descendants, and circumstances – including events surrounding their families – which does not align directly with the census record of Numbers 26:20.
Genesis 46:12: And the sons of Judah; Er, and Onan, and Shelah, and Pharez, and Zerah: but Er and Onan died in the land of Canaan. And the sons of Pharez were Hezron and Hamul.
Contradiction with Exodus 6:16-20
Exodus 6:16-20 gives the genealogy of Levi and his descendants, which focuses on different tribal lines compared to the numerical details found in Numbers 26:20.
Exodus 6:16-20: And these [are] the names of the sons of Levi according to their generations; Gershon, and Kohath, and Merari: and the years of the life of Levi [were] an hundred thirty and seven years.