20222110122210 has 96 divisors (see below), whose sum is σ = 53490027127680. Its totient is φ = 5299041924864.

The previous prime is 20222110122199. The next prime is 20222110122211. The reversal of 20222110122210 is 1222101122202.

It is a happy number.

20222110122210 is a `hidden beast` number, since 2 + 0 + 222 + 110 + 122 + 210 = 666.

It is a super-2 number, since 2×20222110122210² (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 not an unprimeable number, because it can be changed into a prime (20222110122211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12530182 + ... + 14051678.

It is an arithmetic number, because the mean of its divisors is an integer number (557187782580).

Almost surely, 2^{20222110122210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20222110122210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26745013563840).

20222110122210 is an abundant number, since it is smaller than the sum of its proper divisors (33267917005470).

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

20222110122210 is a wasteful number, since it uses less digits than its factorization.

20222110122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524072 (or 1524069 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20222110122210 its reverse (1222101122202), we get a palindrome (21444211244412).

The spelling of 20222110122210 in words is "twenty trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty-two thousand, two hundred ten".