202042004242 has 24 divisors (see below), whose sum is σ = 336172958100. Its totient is φ = 90975755520.

The previous prime is 202042004179. The next prime is 202042004251. The reversal of 202042004242 is 242400240202.

It is a happy number.

202042004242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 8847471721 + 193194532521 = 94061^2 + 439539^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7275867 + ... + 7303582.

Almost surely, 2^202042004242 is an apocalyptic number.

202042004242 is a deficient number, since it is larger than the sum of its proper divisors (134130953858).

202042004242 is a wasteful number, since it uses less digits than its factorization.

202042004242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14579518 (or 14579505 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 202042004242 its reverse (242400240202), we get a palindrome (444442244444).

The spelling of 202042004242 in words is "two hundred two billion, forty-two million, four thousand, two hundred forty-two".