20792674318 has 16 divisors (see below), whose sum is σ = 34407391536. Its totient is φ = 9362554560.

The previous prime is 20792674307. The next prime is 20792674319. The reversal of 20792674318 is 81347629702.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20792674319) 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, 9751596 + ... + 9753727.

It is an arithmetic number, because the mean of its divisors is an integer number (2150461971).

Almost surely, 2^20792674318 is an apocalyptic number.

20792674318 is a deficient number, since it is larger than the sum of its proper divisors (13614717218).

20792674318 is a wasteful number, since it uses less digits than its factorization.

20792674318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19505379.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 20792674318 in words is "twenty billion, seven hundred ninety-two million, six hundred seventy-four thousand, three hundred eighteen".