23232112220 has 48 divisors (see below), whose sum is σ = 50765678208. Its totient is φ = 8923499520.

The previous prime is 23232112217. The next prime is 23232112223. The reversal of 23232112220 is 2221123232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23232112217) and next prime (23232112223).

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 = 23232112192 and 23232112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23232112223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183341 + ... + 282980.

It is an arithmetic number, because the mean of its divisors is an integer number (1057618296).

Almost surely, 2^23232112220 is an apocalyptic number.

23232112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23232112220 is an abundant number, since it is smaller than the sum of its proper divisors (27533565988).

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

23232112220 is a wasteful number, since it uses less digits than its factorization.

23232112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466430 (or 466428 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23232112220 its reverse (2221123232), we get a palindrome (25453235452).

The spelling of 23232112220 in words is "twenty-three billion, two hundred thirty-two million, one hundred twelve thousand, two hundred twenty".