20355102205604 has 12 divisors (see below), whose sum is σ = 37496240905200. Its totient is φ = 9641890518408.

The previous prime is 20355102205541. The next prime is 20355102205609. The reversal of 20355102205604 is 40650220155302.

It is not an unprimeable number, because it can be changed into a prime (20355102205609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133915146014 + ... + 133915146165.

It is an arithmetic number, because the mean of its divisors is an integer number (3124686742100).

Almost surely, 2^{20355102205604} is an apocalyptic number.

It is an amenable number.

20355102205604 is a deficient number, since it is larger than the sum of its proper divisors (17141138699596).

20355102205604 is a wasteful number, since it uses less digits than its factorization.

20355102205604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267830292202 (or 267830292200 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 20355102205604 in words is "twenty trillion, three hundred fifty-five billion, one hundred two million, two hundred five thousand, six hundred four".