23110130220 has 96 divisors (see below), whose sum is σ = 65540697600. Its totient is φ = 6083942400.

The previous prime is 23110130203. The next prime is 23110130237. The reversal of 23110130220 is 2203101132.

It is an interprime number because it is at equal distance from previous prime (23110130203) and next prime (23110130237).

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 23110130220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1468956 + ... + 1484604.

It is an arithmetic number, because the mean of its divisors is an integer number (682715600).

Almost surely, 2^23110130220 is an apocalyptic number.

23110130220 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 23110130220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32770348800).

23110130220 is an abundant number, since it is smaller than the sum of its proper divisors (42430567380).

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

23110130220 is a wasteful number, since it uses less digits than its factorization.

23110130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15975 (or 15973 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23110130220 its reverse (2203101132), we get a palindrome (25313231352).

The spelling of 23110130220 in words is "twenty-three billion, one hundred ten million, one hundred thirty thousand, two hundred twenty".