203004242 has 16 divisors (see below), whose sum is σ = 368478720. Its totient is φ = 81883968.

The previous prime is 203004239. The next prime is 203004251. The reversal of 203004242 is 242400302.

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 203004242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426242 + ... + 426717.

It is an arithmetic number, because the mean of its divisors is an integer number (23029920).

Almost surely, 2^203004242 is an apocalyptic number.

203004242 is a deficient number, since it is larger than the sum of its proper divisors (165474478).

203004242 is a wasteful number, since it uses less digits than its factorization.

203004242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852985.

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

The square root of 203004242 is about 14247.9557130137. The cubic root of 203004242 is about 587.7171596181.

Adding to 203004242 its reverse (242400302), we get a palindrome (445404544).

It can be divided in two parts, 20300 and 4242, that added together give a palindrome (24542).

The spelling of 203004242 in words is "two hundred three million, four thousand, two hundred forty-two".