20013323020312 has 64 divisors (see below), whose sum is σ = 39984740340480. Its totient is φ = 9370883820672.

The previous prime is 20013323020277. The next prime is 20013323020429. The reversal of 20013323020312 is 21302032331002.

It is a congruent number.

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, 2970303 + ... + 6989230.

It is an arithmetic number, because the mean of its divisors is an integer number (624761567820).

Almost surely, 2^{20013323020312} is an apocalyptic number.

It is an amenable number.

20013323020312 is a deficient number, since it is larger than the sum of its proper divisors (19971417320168).

20013323020312 is a wasteful number, since it uses less digits than its factorization.

20013323020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959792 (or 9959788 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20013323020312 its reverse (21302032331002), we get a palindrome (41315355351314).

The spelling of 20013323020312 in words is "twenty trillion, thirteen billion, three hundred twenty-three million, twenty thousand, three hundred twelve".