200003442 has 16 divisors (see below), whose sum is σ = 405977952. Its totient is φ = 65672640.

The previous prime is 200003393. The next prime is 200003497. The reversal of 200003442 is 244300002.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 248359 + ... + 249162.

It is an arithmetic number, because the mean of its divisors is an integer number (25373622).

Almost surely, 2^200003442 is an apocalyptic number.

200003442 is an abundant number, since it is smaller than the sum of its proper divisors (205974510).

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

200003442 is a wasteful number, since it uses less digits than its factorization.

200003442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497593.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 200003442 is about 14142.2573162844. The cubic root of 200003442 is about 584.8069024463.

Adding to 200003442 its reverse (244300002), we get a palindrome (444303444).

The spelling of 200003442 in words is "two hundred million, three thousand, four hundred forty-two".