During AMC testing, the AoPS Wiki is in read-only mode and no edits can be made.

20

Revision as of 16:17, 1 June 2025 by Aoum (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Twenty (written as 20 in Arabic numerals and $\text{XX}$ in Roman numerals) is an integer. This article is a stub. Help us out by expanding it.