Fatto generale: 20785 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 20785 is an uninteresting number.
Trivia: 20785 is an unremarkable number.
Data storica: November 26th is the day in 1922 that Howard Carter and Lord Carnarvon become the first people to enter the tomb of Pharaoh Tutankhamun in over 3000 years.