20320322304 has 36 divisors (see below), whose sum is σ = 54081693176. Its totient is φ = 6773440512.

The previous prime is 20320322303. The next prime is 20320322311. The reversal of 20320322304 is 40322302302.

It is not an unprimeable number, because it can be changed into a prime (20320322303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13228609 + ... + 13230144.

Almost surely, 2^20320322304 is an apocalyptic number.

20320322304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20320322304 is an abundant number, since it is smaller than the sum of its proper divisors (33761370872).

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

20320322304 is an equidigital number, since it uses as much as digits as its factorization.

20320322304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26458772 (or 26458758 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20320322304 its reverse (40322302302), we get a palindrome (60642624606).

The spelling of 20320322304 in words is "twenty billion, three hundred twenty million, three hundred twenty-two thousand, three hundred four".