2320213220 has 24 divisors (see below), whose sum is σ = 5247252024. Its totient is φ = 856694016.

The previous prime is 2320213213. The next prime is 2320213223. The reversal of 2320213220 is 223120232.

It can be written as a sum of positive squares in 4 ways, for example, as 42823936 + 2277389284 = 6544^2 + 47722^2 .

It is not an unprimeable number, because it can be changed into a prime (2320213223) 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, 4461689 + ... + 4462208.

It is an arithmetic number, because the mean of its divisors is an integer number (218635501).

Almost surely, 2^2320213220 is an apocalyptic number.

2320213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320213220 is an abundant number, since it is smaller than the sum of its proper divisors (2927038804).

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

2320213220 is a wasteful number, since it uses less digits than its factorization.

2320213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923919 (or 8923917 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2320213220 is about 48168.5916339683. The cubic root of 2320213220 is about 1323.8617437011.

Adding to 2320213220 its reverse (223120232), we get a palindrome (2543333452).

The spelling of 2320213220 in words is "two billion, three hundred twenty million, two hundred thirteen thousand, two hundred twenty".