20760556600 has 48 divisors (see below), whose sum is σ = 55163768400. Its totient is φ = 7117904640.

The previous prime is 20760556591. The next prime is 20760556601. The reversal of 20760556600 is 665506702.

It is a self number, because there is not a number n which added to its sum of digits gives 20760556600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20760556601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7413085 + ... + 7415884.

It is an arithmetic number, because the mean of its divisors is an integer number (1149245175).

Almost surely, 2^20760556600 is an apocalyptic number.

20760556600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20760556600 is an abundant number, since it is smaller than the sum of its proper divisors (34403211800).

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

20760556600 is a wasteful number, since it uses less digits than its factorization.

20760556600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14828992 (or 14828983 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 20760556600 in words is "twenty billion, seven hundred sixty million, five hundred fifty-six thousand, six hundred".