20776442124 has 24 divisors (see below), whose sum is σ = 48482058240. Its totient is φ = 6924953104.

The previous prime is 20776442083. The next prime is 20776442161. The reversal of 20776442124 is 42124467702.

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, 118837 + ... + 235955.

It is an arithmetic number, because the mean of its divisors is an integer number (2020085760).

Almost surely, 2^20776442124 is an apocalyptic number.

It is an amenable number.

20776442124 is an abundant number, since it is smaller than the sum of its proper divisors (27705616116).

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

20776442124 is a wasteful number, since it uses less digits than its factorization.

20776442124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131909 (or 131907 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 39.

The spelling of 20776442124 in words is "twenty billion, seven hundred seventy-six million, four hundred forty-two thousand, one hundred twenty-four".