20102220122022 has 20 divisors (see below), whose sum is σ = 45043863607116. Its totient is φ = 6700740040620.

The previous prime is 20102220121993. The next prime is 20102220122057. The reversal of 20102220122022 is 22022102220102.

20102220122022 is a `hidden beast` number, since 201 + 0 + 2 + 220 + 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 = 20102220121986 and 20102220122004.

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 9 ways as a sum of consecutive naturals, for example, 62043889104 + ... + 62043889427.

Almost surely, 2^{20102220122022} is an apocalyptic number.

20102220122022 is an abundant number, since it is smaller than the sum of its proper divisors (24941643485094).

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

20102220122022 is a wasteful number, since it uses less digits than its factorization.

20102220122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124087778545 (or 124087778536 counting only the distinct ones).

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

Adding to 20102220122022 its reverse (22022102220102), we get a palindrome (42124322342124).

The spelling of 20102220122022 in words is "twenty trillion, one hundred two billion, two hundred twenty million, one hundred twenty-two thousand, twenty-two".