20080837768 has 8 divisors (see below), whose sum is σ = 37651570830. Its totient is φ = 10040418880.

The previous prime is 20080837759. The next prime is 20080837813. The reversal of 20080837768 is 86773808002.

It can be written as a sum of positive squares in only one way, i.e., 19976430244 + 104407524 = 141338^2 + 10218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255052353 + ... + 1255052368.

Almost surely, 2^20080837768 is an apocalyptic number.

It is an amenable number.

20080837768 is a deficient number, since it is larger than the sum of its proper divisors (17570733062).

20080837768 is a wasteful number, since it uses less digits than its factorization.

20080837768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510104727 (or 2510104723 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 20080837768 in words is "twenty billion, eighty million, eight hundred thirty-seven thousand, seven hundred sixty-eight".