202420202 has 4 divisors (see below), whose sum is σ = 303630306. Its totient is φ = 101210100.

The previous prime is 202420189. The next prime is 202420223. The reversal of 202420202 is 202024202.

202420202 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 can be written as a sum of positive squares in only one way, i.e., 194574601 + 7845601 = 13949^2 + 2801^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605049 + ... + 50605052.

Almost surely, 2^202420202 is an apocalyptic number.

202420202 is a deficient number, since it is larger than the sum of its proper divisors (101210104).

202420202 is a wasteful number, since it uses less digits than its factorization.

202420202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101210103.

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

The square root of 202420202 is about 14227.4453785632. The cubic root of 202420202 is about 587.1530005822.

Adding to 202420202 its reverse (202024202), we get a palindrome (404444404).

The spelling of 202420202 in words is "two hundred two million, four hundred twenty thousand, two hundred two".