222323210020 has 24 divisors (see below), whose sum is σ = 491451307200. Its totient is φ = 84248795232.

The previous prime is 222323209973. The next prime is 222323210041. The reversal of 222323210020 is 20012323222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 222323210020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292530160 + ... + 292530919.

It is an arithmetic number, because the mean of its divisors is an integer number (20477137800).

Almost surely, 2^222323210020 is an apocalyptic number.

222323210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222323210020 is an abundant number, since it is smaller than the sum of its proper divisors (269128097180).

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

222323210020 is a wasteful number, since it uses less digits than its factorization.

222323210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585061107 (or 585061105 counting only the distinct ones).

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

Adding to 222323210020 its reverse (20012323222), we get a palindrome (242335533242).

The spelling of 222323210020 in words is "two hundred twenty-two billion, three hundred twenty-three million, two hundred ten thousand, twenty".