20013332112 has 60 divisors (see below), whose sum is σ = 56020920384. Its totient is φ = 6669754560.

The previous prime is 20013332069. The next prime is 20013332113. The reversal of 20013332112 is 21123331002.

20013332112 is a `hidden beast` number, since 200 + 133 + 321 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20013332113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 902437 + ... + 924347.

Almost surely, 2^20013332112 is an apocalyptic number.

It is an amenable number.

20013332112 is an abundant number, since it is smaller than the sum of its proper divisors (36007588272).

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

20013332112 is a wasteful number, since it uses less digits than its factorization.

20013332112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28268 (or 28259 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20013332112 its reverse (21123331002), we get a palindrome (41136663114).

The spelling of 20013332112 in words is "twenty billion, thirteen million, three hundred thirty-two thousand, one hundred twelve".