204036385 has 16 divisors (see below), whose sum is σ = 280080000. Its totient is φ = 139781376.

The previous prime is 204036359. The next prime is 204036403. The reversal of 204036385 is 583630402.

It is not a de Polignac number, because 204036385 - 2¹⁵ = 204003617 is a prime.

It is an unprimeable number.

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, 50521 + ... + 54409.

It is an arithmetic number, because the mean of its divisors is an integer number (17505000).

Almost surely, 2^204036385 is an apocalyptic number.

It is an amenable number.

204036385 is a deficient number, since it is larger than the sum of its proper divisors (76043615).

204036385 is a wasteful number, since it uses less digits than its factorization.

204036385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 204036385 is about 14284.1305300673. The cubic root of 204036385 is about 588.7115279666.

Adding to 204036385 its reverse (583630402), we get a palindrome (787666787).

The spelling of 204036385 in words is "two hundred four million, thirty-six thousand, three hundred eighty-five".