20102221200022 has 48 divisors (see below), whose sum is σ = 32918943566160. Its totient is φ = 9202000743936.

The previous prime is 20102221200011. The next prime is 20102221200031. The reversal of 20102221200022 is 22000212220102.

It is a super-2 number, since 2×20102221200022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20102221199969 and 20102221200005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51808354 + ... + 52194922.

It is an arithmetic number, because the mean of its divisors is an integer number (685811324295).

Almost surely, 2^{20102221200022} is an apocalyptic number.

20102221200022 is a deficient number, since it is larger than the sum of its proper divisors (12816722366138).

20102221200022 is a wasteful number, since it uses less digits than its factorization.

20102221200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387857 (or 387844 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20102221200022 its reverse (22000212220102), we get a palindrome (42102433420124).

The spelling of 20102221200022 in words is "twenty trillion, one hundred two billion, two hundred twenty-one million, two hundred thousand, twenty-two".