20320302313200 has 60 divisors (see below), whose sum is σ = 65092701747128. Its totient is φ = 5418747283200.

The previous prime is 20320302313159. The next prime is 20320302313247. The reversal of 20320302313200 is 231320302302.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8466791431 + ... + 8466793830.

Almost surely, 2^{20320302313200} is an apocalyptic number.

20320302313200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20320302313200 is an abundant number, since it is smaller than the sum of its proper divisors (44772399433928).

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

20320302313200 is a wasteful number, since it uses less digits than its factorization.

20320302313200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16933585282 (or 16933585271 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20320302313200 its reverse (231320302302), we get a palindrome (20551622615502).

The spelling of 20320302313200 in words is "twenty trillion, three hundred twenty billion, three hundred two million, three hundred thirteen thousand, two hundred".