23013012220 has 48 divisors (see below), whose sum is σ = 52733721600. Its totient is φ = 8366304320.

The previous prime is 23013012199. The next prime is 23013012241. The reversal of 23013012220 is 2221031032.

It is an interprime number because it is at equal distance from previous prime (23013012199) and next prime (23013012241).

It is a junction number, because it is equal to n+sod(n) for n = 23013012194 and 23013012203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098201 + ... + 1118959.

It is an arithmetic number, because the mean of its divisors is an integer number (1098619200).

Almost surely, 2^23013012220 is an apocalyptic number.

23013012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23013012220 is an abundant number, since it is smaller than the sum of its proper divisors (29720709380).

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

23013012220 is a wasteful number, since it uses less digits than its factorization.

23013012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25818 (or 25816 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23013012220 its reverse (2221031032), we get a palindrome (25234043252).

The spelling of 23013012220 in words is "twenty-three billion, thirteen million, twelve thousand, two hundred twenty".