20313012 has 24 divisors (see below), whose sum is σ = 47547136. Its totient is φ = 6749568.

The previous prime is 20313001. The next prime is 20313047. The reversal of 20313012 is 21031302.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1533 + ... + 6555.

Almost surely, 2^20313012 is an apocalyptic number.

It is an amenable number.

20313012 is an abundant number, since it is smaller than the sum of its proper divisors (27234124).

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

20313012 is a wasteful number, since it uses less digits than its factorization.

20313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367 (or 5365 counting only the distinct ones).

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

The square root of 20313012 is about 4506.9958952721. The cubic root of 20313012 is about 272.8505132308.

Adding to 20313012 its reverse (21031302), we get a palindrome (41344314).

The spelling of 20313012 in words is "twenty million, three hundred thirteen thousand, twelve".