20317267904 has 28 divisors (see below), whose sum is σ = 40322839344. Its totient is φ = 10157182464.

The previous prime is 20317267897. The next prime is 20317267933. The reversal of 20317267904 is 40976271302.

It is a congruent number.

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, 535052 + ... + 571764.

Almost surely, 2^20317267904 is an apocalyptic number.

It is an amenable number.

20317267904 is a deficient number, since it is larger than the sum of its proper divisors (20005571440).

20317267904 is an equidigital number, since it uses as much as digits as its factorization.

20317267904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45372 (or 45362 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 20317267904 in words is "twenty billion, three hundred seventeen million, two hundred sixty-seven thousand, nine hundred four".