20313032112 has 60 divisors (see below), whose sum is σ = 57400244304. Its totient is φ = 6705267840.

The previous prime is 20313032111. The next prime is 20313032143. The reversal of 20313032112 is 21123031302.

20313032112 is a `hidden beast` number, since 20 + 313 + 0 + 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 (20313032111) 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, 669939 + ... + 699602.

Almost surely, 2^20313032112 is an apocalyptic number.

It is an amenable number.

20313032112 is an abundant number, since it is smaller than the sum of its proper divisors (37087212192).

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

20313032112 is a wasteful number, since it uses less digits than its factorization.

20313032112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369658 (or 1369649 counting only the distinct ones).

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

Adding to 20313032112 its reverse (21123031302), we get a palindrome (41436063414).

The spelling of 20313032112 in words is "twenty billion, three hundred thirteen million, thirty-two thousand, one hundred twelve".