20222001122022 has 384 divisors, whose sum is σ = 55473584624640. Its totient is φ = 5190700032000.

The previous prime is 20222001121997. The next prime is 20222001122069. The reversal of 20222001122022 is 22022110022202.

20222001122022 is a `hidden beast` number, since 202 + 220 + 0 + 1 + 1 + 220 + 22 = 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 = 20222001121986 and 20222001122004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2136046933 + ... + 2136056399.

It is an arithmetic number, because the mean of its divisors is an integer number (144462459960).

Almost surely, 2^{20222001122022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20222001122022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27736792312320).

20222001122022 is an abundant number, since it is smaller than the sum of its proper divisors (35251583502618).

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

20222001122022 is a wasteful number, since it uses less digits than its factorization.

20222001122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9916 (or 9913 counting only the distinct ones).

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

Adding to 20222001122022 its reverse (22022110022202), we get a palindrome (42244111144224).

The spelling of 20222001122022 in words is "twenty trillion, two hundred twenty-two billion, one million, one hundred twenty-two thousand, twenty-two".