20313242012 has 12 divisors (see below), whose sum is σ = 40626484080. Its totient is φ = 8705675136.

The previous prime is 20313241973. The next prime is 20313242029. The reversal of 20313242012 is 21024231302.

20313242012 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362736437 + ... + 362736492.

It is an arithmetic number, because the mean of its divisors is an integer number (3385540340).

Almost surely, 2^20313242012 is an apocalyptic number.

It is an amenable number.

20313242012 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.

20313242012 is a wasteful number, since it uses less digits than its factorization.

20313242012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725472940 (or 725472938 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20313242012 its reverse (21024231302), we get a palindrome (41337473314).

The spelling of 20313242012 in words is "twenty billion, three hundred thirteen million, two hundred forty-two thousand, twelve".