202222220020 has 24 divisors (see below), whose sum is σ = 438365587968. Its totient is φ = 78279568800.

The previous prime is 202222220009. The next prime is 202222220119. The reversal of 202222220020 is 20022222202.

It is a happy number.

202222220020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202222219976 and 202222220003.

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 7 ways as a sum of consecutive naturals, for example, 163081816 + ... + 163083055.

It is an arithmetic number, because the mean of its divisors is an integer number (18265232832).

Almost surely, 2^202222220020 is an apocalyptic number.

202222220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222220020 is an abundant number, since it is smaller than the sum of its proper divisors (236143367948).

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

202222220020 is a wasteful number, since it uses less digits than its factorization.

202222220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326164911 (or 326164909 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 202222220020 its reverse (20022222202), we get a palindrome (222244442222).

The spelling of 202222220020 in words is "two hundred two billion, two hundred twenty-two million, two hundred twenty thousand, twenty".