Fatto generale: 10020 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 10020 is a boring number.
Trivia: 10020 is an unremarkable number.
Data storica: June 7th is the day in 1989 that Surinam Airways Flight 764 crashes on approach to Paramaribo-Zanderij International Airport in Suriname due to pilot error, killing 176 of 187 aboard.