23013222220 has 48 divisors (see below), whose sum is σ = 49282224768. Its totient is φ = 9023788800.

The previous prime is 23013222209. The next prime is 23013222227. The reversal of 23013222220 is 2222231032.

It is not an unprimeable number, because it can be changed into a prime (23013222227) 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, 1302445 + ... + 1319995.

It is an arithmetic number, because the mean of its divisors is an integer number (1026713016).

Almost surely, 2^23013222220 is an apocalyptic number.

23013222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23013222220 is an abundant number, since it is smaller than the sum of its proper divisors (26269002548).

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

23013222220 is a wasteful number, since it uses less digits than its factorization.

23013222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18850 (or 18848 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23013222220 its reverse (2222231032), we get a palindrome (25235453252).

The spelling of 23013222220 in words is "twenty-three billion, thirteen million, two hundred twenty-two thousand, two hundred twenty".