23200133220 has 72 divisors (see below), whose sum is σ = 76771356480. Its totient is φ = 5624274240.

The previous prime is 23200133161. The next prime is 23200133261. The reversal of 23200133220 is 2233100232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23200133193 and 23200133202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5856640 + ... + 5860599.

It is an arithmetic number, because the mean of its divisors is an integer number (1066268840).

Almost surely, 2^23200133220 is an apocalyptic number.

23200133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23200133220 is an abundant number, since it is smaller than the sum of its proper divisors (53571223260).

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

23200133220 is a wasteful number, since it uses less digits than its factorization.

23200133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717265 (or 11717260 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23200133220 its reverse (2233100232), we get a palindrome (25433233452).

The spelling of 23200133220 in words is "twenty-three billion, two hundred million, one hundred thirty-three thousand, two hundred twenty".