20313034320012 has 48 divisors (see below), whose sum is σ = 54199787685120. Its totient is φ = 5800328073792.

The previous prime is 20313034319953. The next prime is 20313034320067. The reversal of 20313034320012 is 21002343031302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70605958 + ... + 70893069.

It is an arithmetic number, because the mean of its divisors is an integer number (1129162243440).

Almost surely, 2^{20313034320012} is an apocalyptic number.

It is an amenable number.

20313034320012 is an abundant number, since it is smaller than the sum of its proper divisors (33886753365108).

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

20313034320012 is a wasteful number, since it uses less digits than its factorization.

20313034320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141500750 (or 141500748 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20313034320012 its reverse (21002343031302), we get a palindrome (41315377351314).

The spelling of 20313034320012 in words is "twenty trillion, three hundred thirteen billion, thirty-four million, three hundred twenty thousand, twelve".