Fait général: 20770 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 20770 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 20770 is a boring number.
Date historique: November 11th is the day in 1865 that Treaty of Sinchula is signed by which Bhutan cedes the areas east of the Teesta River to the British East India Company.