20201022222102 has 16 divisors (see below), whose sum is σ = 44891160493680. Its totient is φ = 6733674074016.

The previous prime is 20201022222091. The next prime is 20201022222109. The reversal of 20201022222102 is 20122222010202.

20201022222102 is a `hidden beast` number, since 20 + 201 + 0 + 222 + 221 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201022222109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187046502003 + ... + 187046502110.

It is an arithmetic number, because the mean of its divisors is an integer number (2805697530855).

Almost surely, 2^{20201022222102} is an apocalyptic number.

20201022222102 is an abundant number, since it is smaller than the sum of its proper divisors (24690138271578).

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

20201022222102 is a wasteful number, since it uses less digits than its factorization.

20201022222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374093004124 (or 374093004118 counting only the distinct ones).

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

Adding to 20201022222102 its reverse (20122222010202), we get a palindrome (40323244232304).

The spelling of 20201022222102 in words is "twenty trillion, two hundred one billion, twenty-two million, two hundred twenty-two thousand, one hundred two".