202221120020022 has 12 divisors (see below), whose sum is σ = 438145760043420. Its totient is φ = 67407040006668.

The previous prime is 202221120019981. The next prime is 202221120020057. The reversal of 202221120020022 is 220020021122202.

202221120020022 is a `hidden beast` number, since 20 + 2 + 221 + 1 + 200 + 200 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11234506667779 = 202221120020022 / (2 + 0 + 2 + 2 + 2 + 1 + 1 + 2 + 0 + 0 + 2 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 202221120019977 and 202221120020004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5617253333872 + ... + 5617253333907.

It is an arithmetic number, because the mean of its divisors is an integer number (36512146670285).

Almost surely, 2^{202221120020022} is an apocalyptic number.

202221120020022 is an abundant number, since it is smaller than the sum of its proper divisors (235924640023398).

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

202221120020022 is a wasteful number, since it uses less digits than its factorization.

202221120020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11234506667787 (or 11234506667784 counting only the distinct ones).

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

Adding to 202221120020022 its reverse (220020021122202), we get a palindrome (422241141142224).

The spelling of 202221120020022 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twenty million, twenty thousand, twenty-two".