20551314722 has 16 divisors (see below), whose sum is σ = 32856492672. Its totient is φ = 9607156800.

The previous prime is 20551314709. The next prime is 20551314731. The reversal of 20551314722 is 22741315502.

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, 1996358 + ... + 2006625.

It is an arithmetic number, because the mean of its divisors is an integer number (2053530792).

Almost surely, 2^20551314722 is an apocalyptic number.

20551314722 is a deficient number, since it is larger than the sum of its proper divisors (12305177950).

20551314722 is a wasteful number, since it uses less digits than its factorization.

20551314722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003153.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 20551314722 in words is "twenty billion, five hundred fifty-one million, three hundred fourteen thousand, seven hundred twenty-two".