200342042 has 16 divisors (see below), whose sum is σ = 334938240. Its totient is φ = 89316288.

The previous prime is 200342033. The next prime is 200342047. The reversal of 200342042 is 240243002.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 200342042.

It is not an unprimeable number, because it can be changed into a prime (200342047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154418 + ... + 155709.

It is an arithmetic number, because the mean of its divisors is an integer number (20933640).

Almost surely, 2^200342042 is an apocalyptic number.

200342042 is a deficient number, since it is larger than the sum of its proper divisors (134596198).

200342042 is a wasteful number, since it uses less digits than its factorization.

200342042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310165.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 200342042 is about 14154.2234686330. The cubic root of 200342042 is about 585.1367367320.

Adding to 200342042 its reverse (240243002), we get a palindrome (440585044).

The spelling of 200342042 in words is "two hundred million, three hundred forty-two thousand, forty-two".