204013143 has 12 divisors (see below), whose sum is σ = 295174360. Its totient is φ = 135783216.

The previous prime is 204013133. The next prime is 204013177. The reversal of 204013143 is 341310402.

It is not a de Polignac number, because 204013143 - 2¹⁶ = 203947607 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 (204013133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12973 + ... + 24006.

Almost surely, 2^204013143 is an apocalyptic number.

204013143 is a deficient number, since it is larger than the sum of its proper divisors (91161217).

204013143 is a wasteful number, since it uses less digits than its factorization.

204013143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37598 (or 37595 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 204013143 is about 14283.3169467039. The cubic root of 204013143 is about 588.6891735339.

Adding to 204013143 its reverse (341310402), we get a palindrome (545323545).

The spelling of 204013143 in words is "two hundred four million, thirteen thousand, one hundred forty-three".