20480842572 has 12 divisors (see below), whose sum is σ = 47788632696. Its totient is φ = 6826947520.

The previous prime is 20480842567. The next prime is 20480842601. The reversal of 20480842572 is 27524808402.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853368429 + ... + 853368452.

It is an arithmetic number, because the mean of its divisors is an integer number (3982386058).

Almost surely, 2^20480842572 is an apocalyptic number.

It is an amenable number.

20480842572 is an abundant number, since it is smaller than the sum of its proper divisors (27307790124).

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

20480842572 is a wasteful number, since it uses less digits than its factorization.

20480842572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706736888 (or 1706736886 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 42.

The spelling of 20480842572 in words is "twenty billion, four hundred eighty million, eight hundred forty-two thousand, five hundred seventy-two".