220332021020 has 24 divisors (see below), whose sum is σ = 463467148368. Its totient is φ = 87986160000.

The previous prime is 220332021011. The next prime is 220332021083. The reversal of 220332021020 is 20120233022.

It is a self number, because there is not a number n which added to its sum of digits gives 220332021020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9153206 + ... + 9177245.

It is an arithmetic number, because the mean of its divisors is an integer number (19311131182).

Almost surely, 2^220332021020 is an apocalyptic number.

220332021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220332021020 is an abundant number, since it is smaller than the sum of its proper divisors (243135127348).

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

220332021020 is a wasteful number, since it uses less digits than its factorization.

220332021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18331061 (or 18331059 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 220332021020 its reverse (20120233022), we get a palindrome (240452254042).

The spelling of 220332021020 in words is "two hundred twenty billion, three hundred thirty-two million, twenty-one thousand, twenty".