20303431104 has 56 divisors (see below), whose sum is σ = 58603091328. Its totient is φ = 6152554240.

The previous prime is 20303431087. The next prime is 20303431111. The reversal of 20303431104 is 40113430302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4804572 + ... + 4808795.

Almost surely, 2^20303431104 is an apocalyptic number.

20303431104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20303431104 is an abundant number, since it is smaller than the sum of its proper divisors (38299660224).

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

20303431104 is a wasteful number, since it uses less digits than its factorization.

20303431104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9613393 (or 9613383 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20303431104 its reverse (40113430302), we get a palindrome (60416861406).

The spelling of 20303431104 in words is "twenty billion, three hundred three million, four hundred thirty-one thousand, one hundred four".