200320444443 has 32 divisors (see below), whose sum is σ = 318575803392. Its totient is φ = 109473408000.

The previous prime is 200320444439. The next prime is 200320444477. The reversal of 200320444443 is 344444023002.

It is not a de Polignac number, because 200320444443 - 2² = 200320444439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200320444443.

It is not an unprimeable number, because it can be changed into a prime (200320494443) 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 31 ways as a sum of consecutive naturals, for example, 3117843 + ... + 3181443.

It is an arithmetic number, because the mean of its divisors is an integer number (9955493856).

Almost surely, 2^200320444443 is an apocalyptic number.

200320444443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

200320444443 is a deficient number, since it is larger than the sum of its proper divisors (118255358949).

200320444443 is a wasteful number, since it uses less digits than its factorization.

200320444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70155.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 200320444443 its reverse (344444023002), we get a palindrome (544764467445).

The spelling of 200320444443 in words is "two hundred billion, three hundred twenty million, four hundred forty-four thousand, four hundred forty-three".