20475960624 has 160 divisors (see below), whose sum is σ = 71121162240. Its totient is φ = 5506126848.

The previous prime is 20475960623. The next prime is 20475960647. The reversal of 20475960624 is 42606957402.

It is a self number, because there is not a number n which added to its sum of digits gives 20475960624.

It is not an unprimeable number, because it can be changed into a prime (20475960623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147744 + ... + 250559.

It is an arithmetic number, because the mean of its divisors is an integer number (444507264).

Almost surely, 2^20475960624 is an apocalyptic number.

20475960624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20475960624 is an abundant number, since it is smaller than the sum of its proper divisors (50645201616).

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

20475960624 is a wasteful number, since it uses less digits than its factorization.

20475960624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398344 (or 398332 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 20475960624 in words is "twenty billion, four hundred seventy-five million, nine hundred sixty thousand, six hundred twenty-four".