2320120356 has 48 divisors (see below), whose sum is σ = 5745225024. Its totient is φ = 726209536.

The previous prime is 2320120351. The next prime is 2320120367. The reversal of 2320120356 is 6530210232.

It is not an unprimeable number, because it can be changed into a prime (2320120351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77536 + ... + 103208.

It is an arithmetic number, because the mean of its divisors is an integer number (119692188).

Almost surely, 2^2320120356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2320120356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2872612512).

2320120356 is an abundant number, since it is smaller than the sum of its proper divisors (3425104668).

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

2320120356 is a wasteful number, since it uses less digits than its factorization.

2320120356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26140 (or 26138 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2320120356 is about 48167.6276766876. The cubic root of 2320120356 is about 1323.8440814254.

Adding to 2320120356 its reverse (6530210232), we get a palindrome (8850330588).

The spelling of 2320120356 in words is "two billion, three hundred twenty million, one hundred twenty thousand, three hundred fifty-six".