20002122210222 has 48 divisors (see below), whose sum is σ = 43985452747392. Its totient is φ = 6567758516880.

The previous prime is 20002122210211. The next prime is 20002122210247. The reversal of 20002122210222 is 22201222120002.

20002122210222 is a `hidden beast` number, since 20 + 0 + 0 + 212 + 2 + 210 + 222 = 666.

It is a super-2 number, since 2×20002122210222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20002122210195 and 20002122210204.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 140465223 + ... + 140607549.

It is an arithmetic number, because the mean of its divisors is an integer number (916363598904).

Almost surely, 2^{20002122210222} is an apocalyptic number.

20002122210222 is an abundant number, since it is smaller than the sum of its proper divisors (23983330537170).

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

20002122210222 is a wasteful number, since it uses less digits than its factorization.

20002122210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258933 (or 258930 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20002122210222 its reverse (22201222120002), we get a palindrome (42203344330224).

The spelling of 20002122210222 in words is "twenty trillion, two billion, one hundred twenty-two million, two hundred ten thousand, two hundred twenty-two".