204996263 has 8 divisors (see below), whose sum is σ = 225168000. Its totient is φ = 185762808.

The previous prime is 204996257. The next prime is 204996283. The reversal of 204996263 is 362699402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204996263 - 2⁶ = 204996199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204996263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204996203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234113 + ... + 234986.

It is an arithmetic number, because the mean of its divisors is an integer number (28146000).

Almost surely, 2^204996263 is an apocalyptic number.

204996263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

204996263 is a deficient number, since it is larger than the sum of its proper divisors (20171737).

204996263 is a wasteful number, since it uses less digits than its factorization.

204996263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469141.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 204996263 is about 14317.6905609808. The cubic root of 204996263 is about 589.6332710925.

It can be divided in two parts, 20499 and 6263, that added together give a palindrome (26762).

The spelling of 204996263 in words is "two hundred four million, nine hundred ninety-six thousand, two hundred sixty-three".