204300085 has 16 divisors (see below), whose sum is σ = 271444032. Its totient is φ = 146361600.

The previous prime is 204300043. The next prime is 204300119. The reversal of 204300085 is 580003402.

It is not a de Polignac number, because 204300085 - 2¹⁹ = 203775797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24036 + ... + 31405.

It is an arithmetic number, because the mean of its divisors is an integer number (16965252).

Almost surely, 2^204300085 is an apocalyptic number.

It is an amenable number.

204300085 is a deficient number, since it is larger than the sum of its proper divisors (67143947).

204300085 is a wasteful number, since it uses less digits than its factorization.

204300085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55524.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 204300085 is about 14293.3580728953. The cubic root of 204300085 is about 588.9650389573.

Adding to 204300085 its reverse (580003402), we get a palindrome (784303487).

The spelling of 204300085 in words is "two hundred four million, three hundred thousand, eighty-five".