20203501804 has 12 divisors (see below), whose sum is σ = 36575305200. Its totient is φ = 9753414608.

The previous prime is 20203501699. The next prime is 20203501831. The reversal of 20203501804 is 40810530202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87083944 + ... + 87084175.

It is an arithmetic number, because the mean of its divisors is an integer number (3047942100).

Almost surely, 2^20203501804 is an apocalyptic number.

It is an amenable number.

20203501804 is a deficient number, since it is larger than the sum of its proper divisors (16371803396).

20203501804 is a wasteful number, since it uses less digits than its factorization.

20203501804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174168152 (or 174168150 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 20203501804 in words is "twenty billion, two hundred three million, five hundred one thousand, eight hundred four".