202020100222 has 4 divisors (see below), whose sum is σ = 303030150336. Its totient is φ = 101010050110.

The previous prime is 202020100193. The next prime is 202020100229. The reversal of 202020100222 is 222001020202.

202020100222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020100229) 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 as a sum of consecutive naturals, namely, 50505025054 + ... + 50505025057.

It is an arithmetic number, because the mean of its divisors is an integer number (75757537584).

Almost surely, 2^202020100222 is an apocalyptic number.

202020100222 is a deficient number, since it is larger than the sum of its proper divisors (101010050114).

202020100222 is a wasteful number, since it uses less digits than its factorization.

202020100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010050113.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 202020100222 its reverse (222001020202), we get a palindrome (424021120424).

The spelling of 202020100222 in words is "two hundred two billion, twenty million, one hundred thousand, two hundred twenty-two".