20232320320 has 28 divisors (see below), whose sum is σ = 48178213524. Its totient is φ = 8092928000.

The previous prime is 20232320263. The next prime is 20232320333. The reversal of 20232320320 is 2302323202.

It can be written as a sum of positive squares in 2 ways, for example, as 3975050304 + 16257270016 = 63048^2 + 127504^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31612681 + ... + 31613320.

It is an arithmetic number, because the mean of its divisors is an integer number (1720650483).

Almost surely, 2^20232320320 is an apocalyptic number.

20232320320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20232320320 is an abundant number, since it is smaller than the sum of its proper divisors (27945893204).

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

20232320320 is an equidigital number, since it uses as much as digits as its factorization.

20232320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63226018 (or 63226008 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20232320320 its reverse (2302323202), we get a palindrome (22534643522).

The spelling of 20232320320 in words is "twenty billion, two hundred thirty-two million, three hundred twenty thousand, three hundred twenty".