20122544122 has 16 divisors (see below), whose sum is σ = 31984787520. Its totient is φ = 9461891008.

The previous prime is 20122544081. The next prime is 20122544203. The reversal of 20122544122 is 22144522102.

It is a happy number.

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, 192238 + ... + 277849.

It is an arithmetic number, because the mean of its divisors is an integer number (1999049220).

Almost surely, 2^20122544122 is an apocalyptic number.

20122544122 is a deficient number, since it is larger than the sum of its proper divisors (11862243398).

20122544122 is a wasteful number, since it uses less digits than its factorization.

20122544122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471365.

The product of its (nonzero) digits is 2560, while the sum is 25.

The spelling of 20122544122 in words is "twenty billion, one hundred twenty-two million, five hundred forty-four thousand, one hundred twenty-two".