20302313078364 has 48 divisors (see below), whose sum is σ = 50174485351200. Its totient is φ = 6367343026176.

The previous prime is 20302313078363. The next prime is 20302313078401. The reversal of 20302313078364 is 46387031320302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302313078363) 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, 15055819 + ... + 16348770.

It is an arithmetic number, because the mean of its divisors is an integer number (1045301778150).

Almost surely, 2^{20302313078364} is an apocalyptic number.

It is an amenable number.

20302313078364 is an abundant number, since it is smaller than the sum of its proper divisors (29872172272836).

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

20302313078364 is a wasteful number, since it uses less digits than its factorization.

20302313078364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31407782 (or 31407780 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

Adding to 20302313078364 its reverse (46387031320302), we get a palindrome (66689344398666).

The spelling of 20302313078364 in words is "twenty trillion, three hundred two billion, three hundred thirteen million, seventy-eight thousand, three hundred sixty-four".