204425430 has 32 divisors (see below), whose sum is σ = 535223808. Its totient is φ = 49557600.

The previous prime is 204425413. The next prime is 204425443. The reversal of 204425430 is 34524402.

204425430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 204425430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309406 + ... + 310065.

It is an arithmetic number, because the mean of its divisors is an integer number (16725744).

Almost surely, 2^204425430 is an apocalyptic number.

204425430 is an abundant number, since it is smaller than the sum of its proper divisors (330798378).

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

204425430 is a wasteful number, since it uses less digits than its factorization.

204425430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619492.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 204425430 is about 14297.7421294413. The cubic root of 204425430 is about 589.0854643112.

Adding to 204425430 its reverse (34524402), we get a palindrome (238949832).

The spelling of 204425430 in words is "two hundred four million, four hundred twenty-five thousand, four hundred thirty".