204400502 has 16 divisors (see below), whose sum is σ = 310951872. Its totient is φ = 100759680.

The previous prime is 204400501. The next prime is 204400507. The reversal of 204400502 is 205004402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204400501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42227 + ... + 46817.

It is an arithmetic number, because the mean of its divisors is an integer number (19434492).

Almost surely, 2^204400502 is an apocalyptic number.

204400502 is a deficient number, since it is larger than the sum of its proper divisors (106551370).

204400502 is a wasteful number, since it uses less digits than its factorization.

204400502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 204400502 is about 14296.8703568298. The cubic root of 204400502 is about 589.0615186286.

Adding to 204400502 its reverse (205004402), we get a palindrome (409404904).

The spelling of 204400502 in words is "two hundred four million, four hundred thousand, five hundred two".