202222200020 has 12 divisors (see below), whose sum is σ = 424666620084. Its totient is φ = 80888880000.

The previous prime is 202222199987. The next prime is 202222200043. The reversal of 202222200020 is 20002222202.

It is a happy number.

202222200020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 24001445776 + 178220754244 = 154924^2 + 422162^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 202222199968 and 202222200004.

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 3 ways as a sum of consecutive naturals, for example, 5055554981 + ... + 5055555020.

It is an arithmetic number, because the mean of its divisors is an integer number (35388885007).

Almost surely, 2^202222200020 is an apocalyptic number.

202222200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222200020 is an abundant number, since it is smaller than the sum of its proper divisors (222444420064).

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

202222200020 is a wasteful number, since it uses less digits than its factorization.

202222200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111110010 (or 10111110008 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 202222200020 its reverse (20002222202), we get a palindrome (222224422222).

The spelling of 202222200020 in words is "two hundred two billion, two hundred twenty-two million, two hundred thousand, twenty".