20113232108 has 12 divisors (see below), whose sum is σ = 35593641720. Its totient is φ = 9943620192.

The previous prime is 20113232107. The next prime is 20113232129. The reversal of 20113232108 is 80123231102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20113232107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28248566 + ... + 28249277.

It is an arithmetic number, because the mean of its divisors is an integer number (2966136810).

Almost surely, 2^20113232108 is an apocalyptic number.

It is an amenable number.

20113232108 is a deficient number, since it is larger than the sum of its proper divisors (15480409612).

20113232108 is a wasteful number, since it uses less digits than its factorization.

20113232108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56497936 (or 56497934 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 20113232108 in words is "twenty billion, one hundred thirteen million, two hundred thirty-two thousand, one hundred eight".