2320321320220 has 24 divisors (see below), whose sum is σ = 4873101819264. Its totient is φ = 928047185856.

The previous prime is 2320321320217. The next prime is 2320321320227. The reversal of 2320321320220 is 220231230232.

It is a junction number, because it is equal to n+sod(n) for n = 2320321320191 and 2320321320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320321320227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4849719 + ... + 5306638.

It is an arithmetic number, because the mean of its divisors is an integer number (203045909136).

Almost surely, 2^{2320321320220} is an apocalyptic number.

2320321320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320321320220 is an abundant number, since it is smaller than the sum of its proper divisors (2552780499044).

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

2320321320220 is a wasteful number, since it uses less digits than its factorization.

2320321320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10167789 (or 10167787 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 2320321320220 its reverse (220231230232), we get a palindrome (2540552550452).

The spelling of 2320321320220 in words is "two trillion, three hundred twenty billion, three hundred twenty-one million, three hundred twenty thousand, two hundred twenty".