23313230220 has 192 divisors, whose sum is σ = 76681543680. Its totient is φ = 5182265088.

The previous prime is 23313230219. The next prime is 23313230231. The reversal of 23313230220 is 2203231332.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2217817 + ... + 2228303.

It is an arithmetic number, because the mean of its divisors is an integer number (399383040).

Almost surely, 2^23313230220 is an apocalyptic number.

23313230220 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 23313230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38340771840).

23313230220 is an abundant number, since it is smaller than the sum of its proper divisors (53368313460).

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

23313230220 is a wasteful number, since it uses less digits than its factorization.

23313230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10652 (or 10650 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23313230220 its reverse (2203231332), we get a palindrome (25516461552).

The spelling of 23313230220 in words is "twenty-three billion, three hundred thirteen million, two hundred thirty thousand, two hundred twenty".