204430530 has 32 divisors (see below), whose sum is σ = 493387200. Its totient is φ = 54208832.

The previous prime is 204430517. The next prime is 204430531. The reversal of 204430530 is 35034402.

It is a happy number.

204430530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204430497 and 204430506.

It is not an unprimeable number, because it can be changed into a prime (204430531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13665 + ... + 24404.

It is an arithmetic number, because the mean of its divisors is an integer number (15418350).

Almost surely, 2^204430530 is an apocalyptic number.

204430530 is an abundant number, since it is smaller than the sum of its proper divisors (288956670).

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

204430530 is a wasteful number, since it uses less digits than its factorization.

204430530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38258.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 204430530 is about 14297.9204781674. The cubic root of 204430530 is about 589.0903630998.

Adding to 204430530 its reverse (35034402), we get a palindrome (239464932).

The spelling of 204430530 in words is "two hundred four million, four hundred thirty thousand, five hundred thirty".