204003430 has 16 divisors (see below), whose sum is σ = 367383600. Its totient is φ = 81561952.

The previous prime is 204003427. The next prime is 204003431. The reversal of 204003430 is 34300402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204003431) 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, 26121 + ... + 33019.

It is an arithmetic number, because the mean of its divisors is an integer number (22961475).

Almost surely, 2^204003430 is an apocalyptic number.

204003430 is a deficient number, since it is larger than the sum of its proper divisors (163380170).

204003430 is a wasteful number, since it uses less digits than its factorization.

204003430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 204003430 is about 14282.9769305982. The cubic root of 204003430 is about 588.6798309517.

Adding to 204003430 its reverse (34300402), we get a palindrome (238303832).

The spelling of 204003430 in words is "two hundred four million, three thousand, four hundred thirty".