Fait général: 20516 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 20516 is an unremarkable number.
Culture générale: 20516 is an uninteresting number.
Date historique: March 2nd is the day in 1992 that Armenia, Azerbaijan, Kazakhstan, Kyrgyzstan, Moldova, San Marino, Tajikistan, Turkmenistan and Uzbekistan join the United Nations.