23200221120 has 56 divisors (see below), whose sum is σ = 73660705104. Its totient is φ = 6186725376.

The previous prime is 23200221097. The next prime is 23200221127. The reversal of 23200221120 is 2112200232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23200221120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200221127) 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, 12082489 + ... + 12084408.

It is an arithmetic number, because the mean of its divisors is an integer number (1315369734).

Almost surely, 2^23200221120 is an apocalyptic number.

23200221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23200221120 is an abundant number, since it is smaller than the sum of its proper divisors (50460483984).

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

23200221120 is a wasteful number, since it uses less digits than its factorization.

23200221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24166917 (or 24166907 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23200221120 its reverse (2112200232), we get a palindrome (25312421352).

The spelling of 23200221120 in words is "twenty-three billion, two hundred million, two hundred twenty-one thousand, one hundred twenty".