20368933408992 has 96 divisors (see below), whose sum is σ = 63077987395584. Its totient is φ = 5631963148800.

The previous prime is 20368933408921. The next prime is 20368933408997. The reversal of 20368933408992 is 29980433986302.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20368933408997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488864859 + ... + 488906522.

It is an arithmetic number, because the mean of its divisors is an integer number (657062368704).

Almost surely, 2^{20368933408992} is an apocalyptic number.

It is an amenable number.

20368933408992 is an abundant number, since it is smaller than the sum of its proper divisors (42709053986592).

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

20368933408992 is a wasteful number, since it uses less digits than its factorization.

20368933408992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977771432 (or 977771424 counting only the distinct ones).

The product of its (nonzero) digits is 120932352, while the sum is 66.

The spelling of 20368933408992 in words is "twenty trillion, three hundred sixty-eight billion, nine hundred thirty-three million, four hundred eight thousand, nine hundred ninety-two".