204065536 has 18 divisors (see below), whose sum is σ = 407334452. Its totient is φ = 102032640.

The previous prime is 204065531. The next prime is 204065597. The reversal of 204065536 is 635560402.

It is a junction number, because it is equal to n+sod(n) for n = 204065498 and 204065507.

It is not an unprimeable number, because it can be changed into a prime (204065531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398310 + ... + 398821.

Almost surely, 2^204065536 is an apocalyptic number.

It is an amenable number.

204065536 is a deficient number, since it is larger than the sum of its proper divisors (203268916).

204065536 is an frugal number, since it uses more digits than its factorization.

204065536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797147 (or 797133 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 204065536 is about 14285.1508917477. The cubic root of 204065536 is about 588.7395633462.

It can be divided in two parts, 2040 and 65536, that added together give a palindrome (67576).

The spelling of 204065536 in words is "two hundred four million, sixty-five thousand, five hundred thirty-six".