20127167418 has 16 divisors (see below), whose sum is σ = 40414713696. Its totient is φ = 6682326000.

The previous prime is 20127167413. The next prime is 20127167441. The reversal of 20127167418 is 81476172102.

It is not an unprimeable number, because it can be changed into a prime (20127167413) 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, 6680821 + ... + 6683832.

It is an arithmetic number, because the mean of its divisors is an integer number (2525919606).

Almost surely, 2^20127167418 is an apocalyptic number.

20127167418 is an abundant number, since it is smaller than the sum of its proper divisors (20287546278).

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

20127167418 is a wasteful number, since it uses less digits than its factorization.

20127167418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13364909.

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 20127167418 in words is "twenty billion, one hundred twenty-seven million, one hundred sixty-seven thousand, four hundred eighteen".