20559793122 has 24 divisors (see below), whose sum is σ = 48595875120. Its totient is φ = 6230240280.

The previous prime is 20559793117. The next prime is 20559793139. The reversal of 20559793122 is 22139795502.

20559793122 is a `hidden beast` number, since 2 + 0 + 5 + 597 + 9 + 31 + 22 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51918472 + ... + 51918867.

It is an arithmetic number, because the mean of its divisors is an integer number (2024828130).

Almost surely, 2^20559793122 is an apocalyptic number.

20559793122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20559793122 is an abundant number, since it is smaller than the sum of its proper divisors (28036081998).

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

20559793122 is a wasteful number, since it uses less digits than its factorization.

20559793122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103837358 (or 103837355 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 20559793122 in words is "twenty billion, five hundred fifty-nine million, seven hundred ninety-three thousand, one hundred twenty-two".