Adding to 20010 its reverse (1002), we get a palindrome (21012).
20010 is nontrivially palindromic in base 9 and base 11.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
20010 is an undulating number in base 12.
It is a plaindrome in base 7.
20010 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
220010 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20010 is a wasteful number, since it uses less digits than its factorization.
20010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62.
The square root of 20010 is about 141.4567071581. The cubic root of 20010 is about 27.1486994415.
The spelling of 20010 in words is "twenty thousand, ten", and thus it is an iban number.