32203131020 has 48 divisors (see below), whose sum is σ = 70450279200. Its totient is φ = 12354055680.

The previous prime is 32203131019. The next prime is 32203131029. The reversal of 32203131020 is 2013130223.

It is a self number, because there is not a number n which added to its sum of digits gives 32203131020.

It is not an unprimeable number, because it can be changed into a prime (32203131029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284435 + ... + 381194.

It is an arithmetic number, because the mean of its divisors is an integer number (1467714150).

Almost surely, 2^32203131020 is an apocalyptic number.

It is an amenable number.

32203131020 is an abundant number, since it is smaller than the sum of its proper divisors (38247148180).

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

32203131020 is a wasteful number, since it uses less digits than its factorization.

32203131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665738 (or 665736 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 32203131020 its reverse (2013130223), we get a palindrome (34216261243).

The spelling of 32203131020 in words is "thirty-two billion, two hundred three million, one hundred thirty-one thousand, twenty".