204425530 has 16 divisors (see below), whose sum is σ = 368331264. Its totient is φ = 81689040.

The previous prime is 204425519. The next prime is 204425537. The reversal of 204425530 is 35524402.

204425530 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 = 204425495 and 204425504.

It is not an unprimeable number, because it can be changed into a prime (204425537) 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, 1015 + ... + 20245.

It is an arithmetic number, because the mean of its divisors is an integer number (23020704).

Almost surely, 2^204425530 is an apocalyptic number.

204425530 is a deficient number, since it is larger than the sum of its proper divisors (163905734).

204425530 is a wasteful number, since it uses less digits than its factorization.

204425530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20301.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 204425530 is about 14297.7456264965. The cubic root of 204425530 is about 589.0855603667.

Adding to 204425530 its reverse (35524402), we get a palindrome (239949932).

The spelling of 204425530 in words is "two hundred four million, four hundred twenty-five thousand, five hundred thirty".