20122202021022 has 24 divisors (see below), whose sum is σ = 43826366712960. Its totient is φ = 6672283391520.

The previous prime is 20122202021017. The next prime is 20122202021039. The reversal of 20122202021022 is 22012020222102.

It is a super-2 number, since 2×20122202021022² (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 = 20122202020986 and 20122202021004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2926436647 + ... + 2926443522.

It is an arithmetic number, because the mean of its divisors is an integer number (1826098613040).

Almost surely, 2^{20122202021022} is an apocalyptic number.

20122202021022 is an abundant number, since it is smaller than the sum of its proper divisors (23704164691938).

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

20122202021022 is a wasteful number, since it uses less digits than its factorization.

20122202021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852880368 (or 5852880365 counting only the distinct ones).

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

Adding to 20122202021022 its reverse (22012020222102), we get a palindrome (42134222243124).

The spelling of 20122202021022 in words is "twenty trillion, one hundred twenty-two billion, two hundred two million, twenty-one thousand, twenty-two".