20042518038 has 32 divisors (see below), whose sum is σ = 41090250240. Its totient is φ = 6514361760.

The previous prime is 20042517949. The next prime is 20042518079. The reversal of 20042518038 is 83081524002.

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, 56248 + ... + 207963.

It is an arithmetic number, because the mean of its divisors is an integer number (1284070320).

Almost surely, 2^20042518038 is an apocalyptic number.

20042518038 is an abundant number, since it is smaller than the sum of its proper divisors (21047732202).

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

20042518038 is a wasteful number, since it uses less digits than its factorization.

20042518038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264532.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 20042518038 in words is "twenty billion, forty-two million, five hundred eighteen thousand, thirty-eight".