204334065 has 48 divisors (see below), whose sum is σ = 390341952. Its totient is φ = 98243712.

The previous prime is 204334061. The next prime is 204334099. The reversal of 204334065 is 560433402.

It is not a de Polignac number, because 204334065 - 2² = 204334061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204334061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21094 + ... + 29216.

It is an arithmetic number, because the mean of its divisors is an integer number (8132124).

Almost surely, 2^204334065 is an apocalyptic number.

It is an amenable number.

204334065 is a deficient number, since it is larger than the sum of its proper divisors (186007887).

204334065 is a wasteful number, since it uses less digits than its factorization.

204334065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8190 (or 8187 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 204334065 is about 14294.5466874609. The cubic root of 204334065 is about 588.9976901471.

Adding to 204334065 its reverse (560433402), we get a palindrome (764767467).

The spelling of 204334065 in words is "two hundred four million, three hundred thirty-four thousand, sixty-five".