204431196 has 12 divisors (see below), whose sum is σ = 477006152. Its totient is φ = 68143728.

The previous prime is 204431189. The next prime is 204431221. The reversal of 204431196 is 691134402.

204431196 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×204431196² = 83584227795980832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8517955 + ... + 8517978.

Almost surely, 2^204431196 is an apocalyptic number.

It is an amenable number.

204431196 is an abundant number, since it is smaller than the sum of its proper divisors (272574956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204431196 is a wasteful number, since it uses less digits than its factorization.

204431196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17035940 (or 17035938 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 204431196 is about 14297.9437682486. The cubic root of 204431196 is about 589.0910028179.

Adding to 204431196 its reverse (691134402), we get a palindrome (895565598).

The spelling of 204431196 in words is "two hundred four million, four hundred thirty-one thousand, one hundred ninety-six".