200042 has 8 divisors (see below), whose sum is σ = 310500. Its totient is φ = 96544.

The previous prime is 200041. The next prime is 200063. The reversal of 200042 is 240002.

200042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 177241 + 22801 = 421^2 + 151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 200042.

It is not an unprimeable number, because it can be changed into a prime (200041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667 + ... + 1782.

2²⁰⁰⁰⁴² is an apocalyptic number.

200042 is a deficient number, since it is larger than the sum of its proper divisors (110458).

200042 is a wasteful number, since it uses less digits than its factorization.

200042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480.

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 200042 is about 447.2605504625. The cubic root of 200042 is about 58.4844481026.

Adding to 200042 its reverse (240002), we get a palindrome (440044).

The spelling of 200042 in words is "two hundred thousand, forty-two", and thus it is an iban number.