204143602 has 16 divisors (see below), whose sum is σ = 334418112. Its totient is φ = 92892240.

The previous prime is 204143591. The next prime is 204143603. The reversal of 204143602 is 206341402.

It is a happy number.

It is a super-2 number, since 2×204143602² = 83349220475068808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204143603) 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, 53448 + ... + 57139.

It is an arithmetic number, because the mean of its divisors is an integer number (20901132).

Almost surely, 2^204143602 is an apocalyptic number.

204143602 is a deficient number, since it is larger than the sum of its proper divisors (130274510).

204143602 is a wasteful number, since it uses less digits than its factorization.

204143602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110673.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 204143602 is about 14287.8830482336. The cubic root of 204143602 is about 588.8146285828.

The spelling of 204143602 in words is "two hundred four million, one hundred forty-three thousand, six hundred two".