20133012 has 24 divisors (see below), whose sum is σ = 48493312. Its totient is φ = 6494400.

The previous prime is 20132999. The next prime is 20133023. The reversal of 20133012 is 21033102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26689 + ... + 27432.

Almost surely, 2^20133012 is an apocalyptic number.

It is an amenable number.

20133012 is an abundant number, since it is smaller than the sum of its proper divisors (28360300).

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

20133012 is a wasteful number, since it uses less digits than its factorization.

20133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54159 (or 54157 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 20133012 is about 4486.9825049804. The cubic root of 20133012 is about 272.0421827600.

Adding to 20133012 its reverse (21033102), we get a palindrome (41166114).

The spelling of 20133012 in words is "twenty million, one hundred thirty-three thousand, twelve".