20133112 has 16 divisors (see below), whose sum is σ = 37863000. Its totient is φ = 10036320.

The previous prime is 20133107. The next prime is 20133131. The reversal of 20133112 is 21133102.

It is a junction number, because it is equal to n+sod(n) for n = 20133092 and 20133101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814 + ... + 6397.

Almost surely, 2^20133112 is an apocalyptic number.

It is an amenable number.

20133112 is a deficient number, since it is larger than the sum of its proper divisors (17729888).

20133112 is a wasteful number, since it uses less digits than its factorization.

20133112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566 (or 7562 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 20133112 is about 4486.9936483129. The cubic root of 20133112 is about 272.0426331674.

Adding to 20133112 its reverse (21133102), we get a palindrome (41266214).

The spelling of 20133112 in words is "twenty million, one hundred thirty-three thousand, one hundred twelve".