23220300320 has 72 divisors (see below), whose sum is σ = 63814382604. Its totient is φ = 7961243136.

The previous prime is 23220300317. The next prime is 23220300343. The reversal of 23220300320 is 2300302232.

It can be written as a sum of positive squares in 2 ways, for example, as 21551414416 + 1668885904 = 146804^2 + 40852^2 .

It is a super-3 number, since 3×23220300320³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1473047 + ... + 1488726.

Almost surely, 2^23220300320 is an apocalyptic number.

23220300320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23220300320 is an abundant number, since it is smaller than the sum of its proper divisors (40594082284).

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

23220300320 is a wasteful number, since it uses less digits than its factorization.

23220300320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961802 (or 2961787 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 23220300320 its reverse (2300302232), we get a palindrome (25520602552).

The spelling of 23220300320 in words is "twenty-three billion, two hundred twenty million, three hundred thousand, three hundred twenty".