202042250 has 16 divisors (see below), whose sum is σ = 378223560. Its totient is φ = 80816800.

The previous prime is 202042231. The next prime is 202042259. The reversal of 202042250 is 52240202.

It can be written as a sum of positive squares in 4 ways, for example, as 29408929 + 172633321 = 5423^2 + 13139^2 .

It is not an unprimeable number, because it can be changed into a prime (202042259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403835 + ... + 404334.

Almost surely, 2^202042250 is an apocalyptic number.

202042250 is a deficient number, since it is larger than the sum of its proper divisors (176181310).

202042250 is an equidigital number, since it uses as much as digits as its factorization.

202042250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808186 (or 808176 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 202042250 is about 14214.1566756526. The cubic root of 202042250 is about 586.7873356439.

Adding to 202042250 its reverse (52240202), we get a palindrome (254282452).

The spelling of 202042250 in words is "two hundred two million, forty-two thousand, two hundred fifty".