204302530 has 32 divisors (see below), whose sum is σ = 380197296. Its totient is φ = 78983424.

The previous prime is 204302513. The next prime is 204302533. The reversal of 204302530 is 35203402.

It can be written as a sum of positive squares in 8 ways, for example, as 166590649 + 37711881 = 12907^2 + 6141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204302498 and 204302507.

It is not an unprimeable number, because it can be changed into a prime (204302533) 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, 56332 + ... + 59848.

Almost surely, 2^204302530 is an apocalyptic number.

204302530 is a deficient number, since it is larger than the sum of its proper divisors (175894766).

204302530 is a wasteful number, since it uses less digits than its factorization.

204302530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 204302530 is about 14293.4436018757. The cubic root of 204302530 is about 588.9673884648.

Adding to 204302530 its reverse (35203402), we get a palindrome (239505932).

The spelling of 204302530 in words is "two hundred four million, three hundred two thousand, five hundred thirty".