204650530 has 32 divisors (see below), whose sum is σ = 434580480. Its totient is φ = 67901760.

The previous prime is 204650519. The next prime is 204650533. The reversal of 204650530 is 35056402.

It is a junction number, because it is equal to n+sod(n) for n = 204650495 and 204650504.

It is not an unprimeable number, because it can be changed into a prime (204650533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44985 + ... + 49324.

It is an arithmetic number, because the mean of its divisors is an integer number (13580640).

Almost surely, 2^204650530 is an apocalyptic number.

204650530 is an abundant number, since it is smaller than the sum of its proper divisors (229929950).

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

204650530 is a wasteful number, since it uses less digits than its factorization.

204650530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94354.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 204650530 is about 14305.6118359195. The cubic root of 204650530 is about 589.3016058752.

The spelling of 204650530 in words is "two hundred four million, six hundred fifty thousand, five hundred thirty".