20552166992 has 40 divisors (see below), whose sum is σ = 45911126976. Its totient is φ = 8730118656.

The previous prime is 20552166923. The next prime is 20552167021. The reversal of 20552166992 is 29966125502.

It is a congruent 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, 799298 + ... + 824609.

Almost surely, 2^20552166992 is an apocalyptic number.

It is an amenable number.

20552166992 is an abundant number, since it is smaller than the sum of its proper divisors (25358959984).

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

20552166992 is a wasteful number, since it uses less digits than its factorization.

20552166992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624035 (or 1624029 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 20552166992 in words is "twenty billion, five hundred fifty-two million, one hundred sixty-six thousand, nine hundred ninety-two".