20125600616418 has 16 divisors (see below), whose sum is σ = 43910401345056. Its totient is φ = 6098666853440.

The previous prime is 20125600616399. The next prime is 20125600616419. The reversal of 20125600616418 is 81461600652102.

It is a self number, because there is not a number n which added to its sum of digits gives 20125600616418.

It is not an unprimeable number, because it can be changed into a prime (20125600616419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152466671271 + ... + 152466671402.

It is an arithmetic number, because the mean of its divisors is an integer number (2744400084066).

Almost surely, 2^{20125600616418} is an apocalyptic number.

20125600616418 is an abundant number, since it is smaller than the sum of its proper divisors (23784800728638).

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

20125600616418 is a wasteful number, since it uses less digits than its factorization.

20125600616418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304933342689.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 20125600616418 in words is "twenty trillion, one hundred twenty-five billion, six hundred million, six hundred sixteen thousand, four hundred eighteen".