200042000305 has 16 divisors (see below), whose sum is σ = 274472277120. Its totient is φ = 137107176192.

The previous prime is 200042000303. The next prime is 200042000317. The reversal of 200042000305 is 503000240002.

It is not a de Polignac number, because 200042000305 - 2¹ = 200042000303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200042000303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1267779 + ... + 1416808.

It is an arithmetic number, because the mean of its divisors is an integer number (17154517320).

Almost surely, 2^200042000305 is an apocalyptic number.

It is an amenable number.

200042000305 is a deficient number, since it is larger than the sum of its proper divisors (74430276815).

200042000305 is a wasteful number, since it uses less digits than its factorization.

200042000305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686728.

The product of its (nonzero) digits is 240, while the sum is 16.

Adding to 200042000305 its reverse (503000240002), we get a palindrome (703042240307).

The spelling of 200042000305 in words is "two hundred billion, forty-two million, three hundred five", and thus it is an aban number.