331102002220 has 48 divisors (see below), whose sum is σ = 758741306400. Its totient is φ = 120366328320.

The previous prime is 331102002113. The next prime is 331102002247. The reversal of 331102002220 is 22200201133.

It is a junction number, because it is equal to n+sod(n) for n = 331102002194 and 331102002203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563146 + ... + 989614.

It is an arithmetic number, because the mean of its divisors is an integer number (15807110550).

Almost surely, 2^331102002220 is an apocalyptic number.

It is an amenable number.

331102002220 is an abundant number, since it is smaller than the sum of its proper divisors (427639304180).

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

331102002220 is a wasteful number, since it uses less digits than its factorization.

331102002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430018 (or 430016 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 331102002220 its reverse (22200201133), we get a palindrome (353302203353).

The spelling of 331102002220 in words is "three hundred thirty-one billion, one hundred two million, two thousand, two hundred twenty".