20876499104 has 36 divisors (see below), whose sum is σ = 41993836794. Its totient is φ = 10216124544.

The previous prime is 20876499037. The next prime is 20876499107. The reversal of 20876499104 is 40199467802.

It can be written as a sum of positive squares in only one way, i.e., 11282688400 + 9593810704 = 106220^2 + 97948^2 .

It is not an unprimeable number, because it can be changed into a prime (20876499107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76979 + ... + 218354.

Almost surely, 2^20876499104 is an apocalyptic number.

It is an amenable number.

20876499104 is an abundant number, since it is smaller than the sum of its proper divisors (21117337690).

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

20876499104 is an equidigital number, since it uses as much as digits as its factorization.

20876499104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295437 (or 295382 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 20876499104 in words is "twenty billion, eight hundred seventy-six million, four hundred ninety-nine thousand, one hundred four".