20102202210222 has 32 divisors (see below), whose sum is σ = 48732611420160. Its totient is φ = 6091576427160.

The previous prime is 20102202210221. The next prime is 20102202210229. The reversal of 20102202210222 is 22201220220102.

20102202210222 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 220 + 221 + 0 + 222 = 666.

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 = 20102202210195 and 20102202210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102202210221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16921045038 + ... + 16921046225.

It is an arithmetic number, because the mean of its divisors is an integer number (1522894106880).

Almost surely, 2^{20102202210222} is an apocalyptic number.

20102202210222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20102202210222 is an abundant number, since it is smaller than the sum of its proper divisors (28630409209938).

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

20102202210222 is a wasteful number, since it uses less digits than its factorization.

20102202210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33842091285 (or 33842091279 counting only the distinct ones).

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

Adding to 20102202210222 its reverse (22201220220102), we get a palindrome (42303422430324).

The spelling of 20102202210222 in words is "twenty trillion, one hundred two billion, two hundred two million, two hundred ten thousand, two hundred twenty-two".