200542242 has 32 divisors (see below), whose sum is σ = 408572352. Its totient is φ = 65608704.

The previous prime is 200542241. The next prime is 200542253. The reversal of 200542242 is 242245002.

It is not an unprimeable number, because it can be changed into a prime (200542241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98418 + ... + 100434.

It is an arithmetic number, because the mean of its divisors is an integer number (12767886).

Almost surely, 2^200542242 is an apocalyptic number.

200542242 is an abundant number, since it is smaller than the sum of its proper divisors (208030110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200542242 is a wasteful number, since it uses less digits than its factorization.

200542242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 200542242 is about 14161.2937968252. The cubic root of 200542242 is about 585.3315791371.

Adding to 200542242 its reverse (242245002), we get a palindrome (442787244).

The spelling of 200542242 in words is "two hundred million, five hundred forty-two thousand, two hundred forty-two".