16113500020 has 24 divisors (see below), whose sum is σ = 33845704200. Its totient is φ = 6443999232.

The previous prime is 16113500017. The next prime is 16113500033. The reversal of 16113500020 is 2000531161.

It can be written as a sum of positive squares in 4 ways, for example, as 1723578256 + 14389921764 = 41516^2 + 119958^2 .

It is a congruent number.

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, 9396 + ... + 179764.

It is an arithmetic number, because the mean of its divisors is an integer number (1410237675).

Almost surely, 2^16113500020 is an apocalyptic number.

16113500020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16113500020 is an abundant number, since it is smaller than the sum of its proper divisors (17732204180).

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

16113500020 is a wasteful number, since it uses less digits than its factorization.

16113500020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175107 (or 175105 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The spelling of 16113500020 in words is "sixteen billion, one hundred thirteen million, five hundred thousand, twenty".