200000242 has 16 divisors (see below), whose sum is σ = 323429400. Its totient is φ = 92207232.

The previous prime is 200000239. The next prime is 200000243. The reversal of 200000242 is 242000002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 116661601 + 83338641 = 10801^2 + 9129^2 .

It is not an unprimeable number, because it can be changed into a prime (200000243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23608 + ... + 30940.

Almost surely, 2^200000242 is an apocalyptic number.

200000242 is a deficient number, since it is larger than the sum of its proper divisors (123429158).

200000242 is a wasteful number, since it uses less digits than its factorization.

200000242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8397.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 200000242 is about 14142.1441797204. The cubic root of 200000242 is about 584.8037835132.

Adding to 200000242 its reverse (242000002), we get a palindrome (442000244).

The spelling of 200000242 in words is "two hundred million, two hundred forty-two", and thus it is an aban number.