2000320221 has 4 divisors (see below), whose sum is σ = 2667093632. Its totient is φ = 1333546812.

The previous prime is 2000320219. The next prime is 2000320243. The reversal of 2000320221 is 1220230002.

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 not a de Polignac number, because 2000320221 - 2¹ = 2000320219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2000320197 and 2000320206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000320121) 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, 333386701 + ... + 333386706.

It is an arithmetic number, because the mean of its divisors is an integer number (666773408).

Almost surely, 2^2000320221 is an apocalyptic number.

It is an amenable number.

2000320221 is a deficient number, since it is larger than the sum of its proper divisors (666773411).

2000320221 is an equidigital number, since it uses as much as digits as its factorization.

2000320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666773410.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2000320221 is about 44724.9395863203. The cubic root of 2000320221 is about 1259.9882885029.

Adding to 2000320221 its reverse (1220230002), we get a palindrome (3220550223).

The spelling of 2000320221 in words is "two billion, three hundred twenty thousand, two hundred twenty-one".