204831235 has 16 divisors (see below), whose sum is σ = 281598912. Its totient is φ = 140112000.

The previous prime is 204831233. The next prime is 204831247. The reversal of 204831235 is 532138402.

It is not a de Polignac number, because 204831235 - 2¹ = 204831233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204831233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7785 + ... + 21685.

It is an arithmetic number, because the mean of its divisors is an integer number (17599932).

Almost surely, 2^204831235 is an apocalyptic number.

204831235 is a deficient number, since it is larger than the sum of its proper divisors (76767677).

204831235 is a wasteful number, since it uses less digits than its factorization.

204831235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14334.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 204831235 is about 14311.9263203805. The cubic root of 204831235 is about 589.4750045935.

Adding to 204831235 its reverse (532138402), we get a palindrome (736969637).

The spelling of 204831235 in words is "two hundred four million, eight hundred thirty-one thousand, two hundred thirty-five".