20872079222 has 32 divisors (see below), whose sum is σ = 33669838944. Its totient is φ = 9668915200.

The previous prime is 20872079209. The next prime is 20872079233. The reversal of 20872079222 is 22297027802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20872079222.

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, 779822 + ... + 806142.

It is an arithmetic number, because the mean of its divisors is an integer number (1052182467).

Almost surely, 2^20872079222 is an apocalyptic number.

20872079222 is a deficient number, since it is larger than the sum of its proper divisors (12797759722).

20872079222 is a wasteful number, since it uses less digits than its factorization.

20872079222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26704.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 20872079222 in words is "twenty billion, eight hundred seventy-two million, seventy-nine thousand, two hundred twenty-two".