2320120321 has 32 divisors (see below), whose sum is σ = 2539192320. Its totient is φ = 2114683200.

The previous prime is 2320120303. The next prime is 2320120349. The reversal of 2320120321 is 1230210232.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2320120321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2320120295 and 2320120304.

It is not an unprimeable number, because it can be changed into a prime (2320120301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10404016 + ... + 10404238.

It is an arithmetic number, because the mean of its divisors is an integer number (79349760).

Almost surely, 2^2320120321 is an apocalyptic number.

It is an amenable number.

2320120321 is a deficient number, since it is larger than the sum of its proper divisors (219071999).

2320120321 is a wasteful number, since it uses less digits than its factorization.

2320120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2320120321 is about 48167.6273133730. The cubic root of 2320120321 is about 1323.8440747684.

Adding to 2320120321 its reverse (1230210232), we get a palindrome (3550330553).

The spelling of 2320120321 in words is "two billion, three hundred twenty million, one hundred twenty thousand, three hundred twenty-one".