202021002202 has 4 divisors (see below), whose sum is σ = 303031503306. Its totient is φ = 101010501100.

The previous prime is 202021002193. The next prime is 202021002203. The reversal of 202021002202 is 202200120202.

202021002202 is digitally balanced in base 3, 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 can be written as a sum of positive squares in only one way, i.e., 130363601481 + 71657400721 = 361059^2 + 267689^2 .

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 not an unprimeable number, because it can be changed into a prime (202021002203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505250549 + ... + 50505250552.

Almost surely, 2^202021002202 is an apocalyptic number.

202021002202 is a deficient number, since it is larger than the sum of its proper divisors (101010501104).

202021002202 is a wasteful number, since it uses less digits than its factorization.

202021002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101010501103.

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

Adding to 202021002202 its reverse (202200120202), we get a palindrome (404221122404).

The spelling of 202021002202 in words is "two hundred two billion, twenty-one million, two thousand, two hundred two".