20538457741708 has 12 divisors (see below), whose sum is σ = 35942710224400. Its totient is φ = 10269111963312.

The previous prime is 20538457741699. The next prime is 20538457741757. The reversal of 20538457741708 is 80714775483502.

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, 28831008 + ... + 29534791.

Almost surely, 2^{20538457741708} is an apocalyptic number.

It is an amenable number.

20538457741708 is a deficient number, since it is larger than the sum of its proper divisors (15404252482692).

20538457741708 is a wasteful number, since it uses less digits than its factorization.

20538457741708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58453776 (or 58453774 counting only the distinct ones).

The product of its (nonzero) digits is 52684800, while the sum is 61.

The spelling of 20538457741708 in words is "twenty trillion, five hundred thirty-eight billion, four hundred fifty-seven million, seven hundred forty-one thousand, seven hundred eight".