The term XX in Roman numerals represents the number 20.
Roman numerals are based on combinations of letters from the Latin alphabet: I, V, X, L, C, D, and M.
In this case, X stands for 10. Since XX consists of two X’s, we simply add their values together:
- 10 (first X) + 10 (second X) = 20
Hence, whenever you see XX, you can confidently say that it signifies the number 20.