20554626152 has 32 divisors (see below), whose sum is σ = 41077264320. Its totient is φ = 9608697600.

The previous prime is 20554626149. The next prime is 20554626179. The reversal of 20554626152 is 25162645502.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 479918 + ... + 520989.

It is an arithmetic number, because the mean of its divisors is an integer number (1283664510).

Almost surely, 2^20554626152 is an apocalyptic number.

It is an amenable number.

20554626152 is a deficient number, since it is larger than the sum of its proper divisors (20522638168).

20554626152 is a wasteful number, since it uses less digits than its factorization.

20554626152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001081 (or 1001077 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 20554626152 in words is "twenty billion, five hundred fifty-four million, six hundred twenty-six thousand, one hundred fifty-two".