20074518904 has 16 divisors (see below), whose sum is σ = 41061516120. Its totient is φ = 9124781280.

The previous prime is 20074518869. The next prime is 20074518907. The reversal of 20074518904 is 40981547002.

It is a super-2 number, since 2×20074518904² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20074518907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114059679 + ... + 114059854.

Almost surely, 2^20074518904 is an apocalyptic number.

It is an amenable number.

20074518904 is an abundant number, since it is smaller than the sum of its proper divisors (20986997216).

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

20074518904 is a wasteful number, since it uses less digits than its factorization.

20074518904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228119550 (or 228119546 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 20074518904 in words is "twenty billion, seventy-four million, five hundred eighteen thousand, nine hundred four".