320140022304 has 24 divisors (see below), whose sum is σ = 840367558800. Its totient is φ = 106713340736.

The previous prime is 320140022273. The next prime is 320140022309. The reversal of 320140022304 is 403220041023.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (320140022309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667395854 + ... + 1667396045.

It is an arithmetic number, because the mean of its divisors is an integer number (35015314950).

Almost surely, 2^320140022304 is an apocalyptic number.

It is an amenable number.

320140022304 is an abundant number, since it is smaller than the sum of its proper divisors (520227536496).

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

320140022304 is a wasteful number, since it uses less digits than its factorization.

320140022304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334791912 (or 3334791904 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 320140022304 its reverse (403220041023), we get a palindrome (723360063327).

The spelling of 320140022304 in words is "three hundred twenty billion, one hundred forty million, twenty-two thousand, three hundred four".