20113032312 has 48 divisors (see below), whose sum is σ = 57339789000. Its totient is φ = 6351483456.

The previous prime is 20113032287. The next prime is 20113032319. The reversal of 20113032312 is 21323031102.

20113032312 is a `hidden beast` number, since 201 + 130 + 323 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113032319) 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, 7349887 + ... + 7352622.

Almost surely, 2^20113032312 is an apocalyptic number.

It is an amenable number.

20113032312 is an abundant number, since it is smaller than the sum of its proper divisors (37226756688).

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

20113032312 is a wasteful number, since it uses less digits than its factorization.

20113032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14702540 (or 14702533 counting only the distinct ones).

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

Adding to 20113032312 its reverse (21323031102), we get a palindrome (41436063414).

The spelling of 20113032312 in words is "twenty billion, one hundred thirteen million, thirty-two thousand, three hundred twelve".