23320203320 has 32 divisors (see below), whose sum is σ = 53189237520. Its totient is φ = 9200298240.

The previous prime is 23320203311. The next prime is 23320203329. The reversal of 23320203320 is 2330202332.

It is an interprime number because it is at equal distance from previous prime (23320203311) and next prime (23320203329).

It is a super-2 number, since 2×23320203320² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23320203292 and 23320203301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320203329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3990266 + ... + 3996105.

Almost surely, 2^23320203320 is an apocalyptic number.

23320203320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23320203320 is an abundant number, since it is smaller than the sum of its proper divisors (29869034200).

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

23320203320 is a wasteful number, since it uses less digits than its factorization.

23320203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7986455 (or 7986451 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 23320203320 its reverse (2330202332), we get a palindrome (25650405652).

The spelling of 23320203320 in words is "twenty-three billion, three hundred twenty million, two hundred three thousand, three hundred twenty".