Adding to 10020 its reverse (2001), we get a palindrome (12021).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a plaindrome in base 8.
It is an unprimeable number.
10020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
210020 is an apocalyptic number.
10020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10020 is a wasteful number, since it uses less digits than its factorization.
10020 is an evil number, because the sum of its binary digits is even.
The square root of 10020 is about 100.0999500499. The cubic root of 10020 is about 21.5587002336.
The spelling of 10020 in words is "ten thousand, twenty", and thus it is an iban number.