202004543 has 16 divisors (see below), whose sum is σ = 223534080. Its totient is φ = 181380576.

The previous prime is 202004519. The next prime is 202004639. The reversal of 202004543 is 345400202.

It is not a de Polignac number, because 202004543 - 2⁶ = 202004479 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 (202004843) 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 15 ways as a sum of consecutive naturals, for example, 108446 + ... + 110292.

It is an arithmetic number, because the mean of its divisors is an integer number (13970880).

Almost surely, 2^202004543 is an apocalyptic number.

202004543 is a deficient number, since it is larger than the sum of its proper divisors (21529537).

202004543 is a wasteful number, since it uses less digits than its factorization.

202004543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 202004543 is about 14212.8302248356. The cubic root of 202004543 is about 586.7508294731.

Adding to 202004543 its reverse (345400202), we get a palindrome (547404745).

The spelling of 202004543 in words is "two hundred two million, four thousand, five hundred forty-three".