200020003321 has 4 divisors (see below), whose sum is σ = 200023416144. Its totient is φ = 200016590500.

The previous prime is 200020003319. The next prime is 200020003327. The reversal of 200020003321 is 123300020002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200020003321 - 2¹ = 200020003319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200020003327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616935 + ... + 1736236.

It is an arithmetic number, because the mean of its divisors is an integer number (50005854036).

Almost surely, 2^200020003321 is an apocalyptic number.

It is an amenable number.

200020003321 is a deficient number, since it is larger than the sum of its proper divisors (3412823).

200020003321 is an equidigital number, since it uses as much as digits as its factorization.

200020003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412822.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 200020003321 its reverse (123300020002), we get a palindrome (323320023323).

The spelling of 200020003321 in words is "two hundred billion, twenty million, three thousand, three hundred twenty-one".