20546052992 has 32 divisors (see below), whose sum is σ = 41391518400. Its totient is φ = 10157593600.

The previous prime is 20546052983. The next prime is 20546052997. The reversal of 20546052992 is 29925064502.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20546052997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890384 + ... + 913167.

It is an arithmetic number, because the mean of its divisors is an integer number (1293484950).

Almost surely, 2^20546052992 is an apocalyptic number.

It is an amenable number.

20546052992 is an abundant number, since it is smaller than the sum of its proper divisors (20845465408).

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

20546052992 is an equidigital number, since it uses as much as digits as its factorization.

20546052992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803654 (or 1803642 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 20546052992 in words is "twenty billion, five hundred forty-six million, fifty-two thousand, nine hundred ninety-two".