204808402 has 8 divisors (see below), whose sum is σ = 310664700. Its totient is φ = 101253504.

The previous prime is 204808381. The next prime is 204808403.

204808402 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 202464441 + 2343961 = 14229^2 + 1531^2 .

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

It is not an unprimeable number, because it can be changed into a prime (204808403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 575127 + ... + 575482.

Almost surely, 2^204808402 is an apocalyptic number.

204808402 is a deficient number, since it is larger than the sum of its proper divisors (105856298).

204808402 is a wasteful number, since it uses less digits than its factorization.

204808402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150700.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 204808402 is about 14311.1286067871. The cubic root of 204808402 is about 589.4531004099.

It can be divided in two parts, 20480 and 8402, that added together give a palindrome (28882).

The spelling of 204808402 in words is "two hundred four million, eight hundred eight thousand, four hundred two".