202220222220 has 96 divisors (see below), whose sum is σ = 631951165440. Its totient is φ = 53683542720.

The previous prime is 202220222173. The next prime is 202220222227. The reversal of 202220222220 is 22222022202.

202220222220 is a `hidden beast` number, since 2 + 0 + 2 + 220 + 222 + 220 = 666.

202220222220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 202220222193 and 202220222202.

It is not an unprimeable number, because it can be changed into a prime (202220222227) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 719226 + ... + 960065.

It is an arithmetic number, because the mean of its divisors is an integer number (6582824640).

Almost surely, 2^202220222220 is an apocalyptic number.

202220222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220222220 is an abundant number, since it is smaller than the sum of its proper divisors (429730943220).

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

202220222220 is a wasteful number, since it uses less digits than its factorization.

202220222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679532 (or 1679524 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 202220222220 its reverse (22222022202), we get a palindrome (224442244422).

The spelling of 202220222220 in words is "two hundred two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty".