200242538 has 4 divisors (see below), whose sum is σ = 300363810. Its totient is φ = 100121268.

The previous prime is 200242489. The next prime is 200242543. The reversal of 200242538 is 835242002.

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., 200024449 + 218089 = 14143^2 + 467^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060633 + ... + 50060636.

Almost surely, 2^200242538 is an apocalyptic number.

200242538 is a deficient number, since it is larger than the sum of its proper divisors (100121272).

200242538 is a wasteful number, since it uses less digits than its factorization.

200242538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100121271.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 200242538 is about 14150.7080388227. The cubic root of 200242538 is about 585.0398472870.

The spelling of 200242538 in words is "two hundred million, two hundred forty-two thousand, five hundred thirty-eight".