20472933758 has 32 divisors (see below), whose sum is σ = 32584286208. Its totient is φ = 9630381600.

The previous prime is 20472933749. The next prime is 20472933769. The reversal of 20472933758 is 85733927402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3371441 + ... + 3377507.

It is an arithmetic number, because the mean of its divisors is an integer number (1018258944).

Almost surely, 2^20472933758 is an apocalyptic number.

20472933758 is a deficient number, since it is larger than the sum of its proper divisors (12111352450).

20472933758 is a wasteful number, since it uses less digits than its factorization.

20472933758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7608.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 20472933758 in words is "twenty billion, four hundred seventy-two million, nine hundred thirty-three thousand, seven hundred fifty-eight".