202003043 has 16 divisors (see below), whose sum is σ = 230936832. Its totient is φ = 174900000.

The previous prime is 202003031. The next prime is 202003073. The reversal of 202003043 is 340300202.

It is not a de Polignac number, because 202003043 - 2⁶ = 202002979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202003073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61913 + ... + 65093.

It is an arithmetic number, because the mean of its divisors is an integer number (14433552).

Almost surely, 2^202003043 is an apocalyptic number.

202003043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

202003043 is a deficient number, since it is larger than the sum of its proper divisors (28933789).

202003043 is a wasteful number, since it uses less digits than its factorization.

202003043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 202003043 is about 14212.7774555152. Note that the first 3 decimals coincide. The cubic root of 202003043 is about 586.7493771486.

Adding to 202003043 its reverse (340300202), we get a palindrome (542303245).

The spelling of 202003043 in words is "two hundred two million, three thousand, forty-three".