220210021000020 has 96 divisors (see below), whose sum is σ = 652868707478400. Its totient is φ = 55267486285824.

The previous prime is 220210020999937. The next prime is 220210021000049. The reversal of 220210021000020 is 20000120012022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61214871 + ... + 64712289.

It is an arithmetic number, because the mean of its divisors is an integer number (6800715702900).

Almost surely, 2^{220210021000020} is an apocalyptic number.

220210021000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220210021000020 is an abundant number, since it is smaller than the sum of its proper divisors (432658686478380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220210021000020 is a wasteful number, since it uses less digits than its factorization.

220210021000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559177 (or 3559175 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220210021000020 its reverse (20000120012022), we get a palindrome (240210141012042).

The spelling of 220210021000020 in words is "two hundred twenty trillion, two hundred ten billion, twenty-one million, twenty", and thus it is an aban number.