223023221220 has 96 divisors (see below), whose sum is σ = 639296824320. Its totient is φ = 58061646720.

The previous prime is 223023221219. The next prime is 223023221293. The reversal of 223023221220 is 22122320322.

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, 5601985 + ... + 5641655.

It is an arithmetic number, because the mean of its divisors is an integer number (6659341920).

Almost surely, 2^223023221220 is an apocalyptic number.

223023221220 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 223023221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319648412160).

223023221220 is an abundant number, since it is smaller than the sum of its proper divisors (416273603100).

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

223023221220 is a wasteful number, since it uses less digits than its factorization.

223023221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41905 (or 41903 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 223023221220 its reverse (22122320322), we get a palindrome (245145541542).

The spelling of 223023221220 in words is "two hundred twenty-three billion, twenty-three million, two hundred twenty-one thousand, two hundred twenty".