20104933156 has 24 divisors (see below), whose sum is σ = 43865309376. Its totient is φ = 7833090720.

The previous prime is 20104933151. The next prime is 20104933171. The reversal of 20104933156 is 65133940102.

It is not an unprimeable number, because it can be changed into a prime (20104933151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32637571 + ... + 32638186.

It is an arithmetic number, because the mean of its divisors is an integer number (1827721224).

Almost surely, 2^20104933156 is an apocalyptic number.

It is an amenable number.

20104933156 is an abundant number, since it is smaller than the sum of its proper divisors (23760376220).

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

20104933156 is a wasteful number, since it uses less digits than its factorization.

20104933156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65275779 (or 65275777 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 20104933156 in words is "twenty billion, one hundred four million, nine hundred thirty-three thousand, one hundred fifty-six".