200320203043 has 4 divisors (see below), whose sum is σ = 200754737568. Its totient is φ = 199885668520.

The previous prime is 200320203037. The next prime is 200320203049. The reversal of 200320203043 is 340302023002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340302023002 = 2 ⋅170151011501.

It is an interprime number because it is at equal distance from previous prime (200320203037) and next prime (200320203049).

It is a cyclic number.

It is not a de Polignac number, because 200320203043 - 2¹⁷ = 200320071971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200320203043.

It is not an unprimeable number, because it can be changed into a prime (200320203049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217266571 + ... + 217267492.

It is an arithmetic number, because the mean of its divisors is an integer number (50188684392).

Almost surely, 2^200320203043 is an apocalyptic number.

200320203043 is a deficient number, since it is larger than the sum of its proper divisors (434534525).

200320203043 is an equidigital number, since it uses as much as digits as its factorization.

200320203043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434534524.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 200320203043 its reverse (340302023002), we get a palindrome (540622226045).

The spelling of 200320203043 in words is "two hundred billion, three hundred twenty million, two hundred three thousand, forty-three".