220109956604 has 12 divisors (see below), whose sum is σ = 389833297224. Its totient is φ = 108729014544.

The previous prime is 220109956589. The next prime is 220109956609. The reversal of 220109956604 is 406659901022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220109956609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331490567 + ... + 331491230.

It is an arithmetic number, because the mean of its divisors is an integer number (32486108102).

Almost surely, 2^220109956604 is an apocalyptic number.

It is an amenable number.

220109956604 is a deficient number, since it is larger than the sum of its proper divisors (169723340620).

220109956604 is a wasteful number, since it uses less digits than its factorization.

220109956604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662981884 (or 662981882 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 220109956604 in words is "two hundred twenty billion, one hundred nine million, nine hundred fifty-six thousand, six hundred four".