20479722 has 16 divisors (see below), whose sum is σ = 42066912. Its totient is φ = 6642000.

The previous prime is 20479709. The next prime is 20479751. The reversal of 20479722 is 22797402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45904 + ... + 46347.

It is an arithmetic number, because the mean of its divisors is an integer number (2629182).

Almost surely, 2^20479722 is an apocalyptic number.

20479722 is an abundant number, since it is smaller than the sum of its proper divisors (21587190).

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

20479722 is a wasteful number, since it uses less digits than its factorization.

20479722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92293.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 20479722 is about 4525.4526845389. The cubic root of 20479722 is about 273.5949135113.

The spelling of 20479722 in words is "twenty million, four hundred seventy-nine thousand, seven hundred twenty-two".