23332220500 has 48 divisors (see below), whose sum is σ = 51103962000. Its totient is φ = 9306076800.

The previous prime is 23332220447. The next prime is 23332220501. The reversal of 23332220500 is 502223332.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 530012484 + 22802208016 = 23022^2 + 151004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23332220501) 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, 107646 + ... + 241354.

It is an arithmetic number, because the mean of its divisors is an integer number (1064665875).

Almost surely, 2^23332220500 is an apocalyptic number.

23332220500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23332220500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25551981000).

23332220500 is an abundant number, since it is smaller than the sum of its proper divisors (27771741500).

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

23332220500 is a wasteful number, since it uses less digits than its factorization.

23332220500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134077 (or 134065 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 23332220500 its reverse (502223332), we get a palindrome (23834443832).

The spelling of 23332220500 in words is "twenty-three billion, three hundred thirty-two million, two hundred twenty thousand, five hundred".