Fatto generale: 20346 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 20346 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 20346 is an unremarkable number.
Data storica: September 14th is the day in 2001 that Historic National Prayer Service held at Washington National Cathedral for victims of the September 11 attacks.