2321020164 has 48 divisors (see below), whose sum is σ = 5785875200. Its totient is φ = 722009376.

The previous prime is 2321020151. The next prime is 2321020187. The reversal of 2321020164 is 4610201232.

It is a self number, because there is not a number n which added to its sum of digits gives 2321020164.

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, 60694 + ... + 91245.

Almost surely, 2^2321020164 is an apocalyptic number.

It is an amenable number.

2321020164 is an abundant number, since it is smaller than the sum of its proper divisors (3464855036).

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

2321020164 is a wasteful number, since it uses less digits than its factorization.

2321020164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152032 (or 152030 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2321020164 is about 48176.9671523644. The cubic root of 2321020164 is about 1324.0152006421.

Adding to 2321020164 its reverse (4610201232), we get a palindrome (6931221396).

The spelling of 2321020164 in words is "two billion, three hundred twenty-one million, twenty thousand, one hundred sixty-four".