20554376722 has 48 divisors (see below), whose sum is σ = 34243163136. Its totient is φ = 9245728800.

The previous prime is 20554376699. The next prime is 20554376743. The reversal of 20554376722 is 22767345502.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18839397 + ... + 18840487.

It is an arithmetic number, because the mean of its divisors is an integer number (713399232).

Almost surely, 2^20554376722 is an apocalyptic number.

20554376722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20554376722 is a deficient number, since it is larger than the sum of its proper divisors (13688786414).

20554376722 is a wasteful number, since it uses less digits than its factorization.

20554376722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 20554376722 in words is "twenty billion, five hundred fifty-four million, three hundred seventy-six thousand, seven hundred twenty-two".