204024143 has 4 divisors (see below), whose sum is σ = 204054600. Its totient is φ = 203993688.

The previous prime is 204024101. The next prime is 204024167. The reversal of 204024143 is 341420402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341420402 = 2 ⋅170710201.

It is a cyclic number.

It is not a de Polignac number, because 204024143 - 2¹⁰ = 204023119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204024943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305 + ... + 20202.

It is an arithmetic number, because the mean of its divisors is an integer number (51013650).

Almost surely, 2^204024143 is an apocalyptic number.

204024143 is a deficient number, since it is larger than the sum of its proper divisors (30457).

204024143 is an equidigital number, since it uses as much as digits as its factorization.

204024143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30456.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204024143 is about 14283.7020061327. The cubic root of 204024143 is about 588.6997536767.

Adding to 204024143 its reverse (341420402), we get a palindrome (545444545).

The spelling of 204024143 in words is "two hundred four million, twenty-four thousand, one hundred forty-three".