2320155564 has 48 divisors (see below), whose sum is σ = 5536473600. Its totient is φ = 755891136.

The previous prime is 2320155553. The next prime is 2320155571. The reversal of 2320155564 is 4655510232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482082 + ... + 486870.

It is an arithmetic number, because the mean of its divisors is an integer number (115343200).

Almost surely, 2^2320155564 is an apocalyptic number.

It is an amenable number.

2320155564 is an abundant number, since it is smaller than the sum of its proper divisors (3216318036).

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

2320155564 is a wasteful number, since it uses less digits than its factorization.

2320155564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702 (or 5700 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2320155564 is about 48167.9931489781. The cubic root of 2320155564 is about 1323.8507778691.

Adding to 2320155564 its reverse (4655510232), we get a palindrome (6975665796).

The spelling of 2320155564 in words is "two billion, three hundred twenty million, one hundred fifty-five thousand, five hundred sixty-four".