32202121020 has 24 divisors (see below), whose sum is σ = 90165939024. Its totient is φ = 8587232256.

The previous prime is 32202121019. The next prime is 32202121073. The reversal of 32202121020 is 2012120223.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 268350949 + ... + 268351068.

It is an arithmetic number, because the mean of its divisors is an integer number (3756914126).

Almost surely, 2^32202121020 is an apocalyptic number.

32202121020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32202121020 is an abundant number, since it is smaller than the sum of its proper divisors (57963818004).

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

32202121020 is a wasteful number, since it uses less digits than its factorization.

32202121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536702029 (or 536702027 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 32202121020 its reverse (2012120223), we get a palindrome (34214241243).

The spelling of 32202121020 in words is "thirty-two billion, two hundred two million, one hundred twenty-one thousand, twenty".