222202220020 has 24 divisors (see below), whose sum is σ = 509045086368. Its totient is φ = 80800807200.

The previous prime is 222202220017. The next prime is 222202220041. The reversal of 222202220020 is 20022202222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222202219976 and 222202220003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505004826 + ... + 505005265.

It is an arithmetic number, because the mean of its divisors is an integer number (21210211932).

Almost surely, 2^222202220020 is an apocalyptic number.

222202220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202220020 is an abundant number, since it is smaller than the sum of its proper divisors (286842866348).

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

222202220020 is a wasteful number, since it uses less digits than its factorization.

222202220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010010111 (or 1010010109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 222202220020 its reverse (20022202222), we get a palindrome (242224422242).

The spelling of 222202220020 in words is "two hundred twenty-two billion, two hundred two million, two hundred twenty thousand, twenty".