20136112 has 20 divisors (see below), whose sum is σ = 40273216. Its totient is φ = 9743040.

The previous prime is 20136089. The next prime is 20136119. The reversal of 20136112 is 21163102.

20136112 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (20136119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19803 + ... + 20794.

Almost surely, 2^20136112 is an apocalyptic number.

It is an amenable number.

20136112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20136112 is a wasteful number, since it uses less digits than its factorization.

20136112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40636 (or 40630 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 20136112 is about 4487.3279354199. The cubic root of 20136112 is about 272.0561446962.

Adding to 20136112 its reverse (21163102), we get a palindrome (41299214).

The spelling of 20136112 in words is "twenty million, one hundred thirty-six thousand, one hundred twelve".