2002330321 has 4 divisors (see below), whose sum is σ = 2008272292. Its totient is φ = 1996388352.

The previous prime is 2002330313. The next prime is 2002330349. The reversal of 2002330321 is 1230332002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 521619921 + 1480710400 = 22839^2 + 38480^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002330321 - 2³ = 2002330313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002330295 and 2002330304.

It is not an unprimeable number, because it can be changed into a prime (2002330361) 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, 2970480 + ... + 2971153.

It is an arithmetic number, because the mean of its divisors is an integer number (502068073).

Almost surely, 2^2002330321 is an apocalyptic number.

It is an amenable number.

2002330321 is a deficient number, since it is larger than the sum of its proper divisors (5941971).

2002330321 is an equidigital number, since it uses as much as digits as its factorization.

2002330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5941970.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2002330321 is about 44747.4057460318. The cubic root of 2002330321 is about 1260.4101967127.

Adding to 2002330321 its reverse (1230332002), we get a palindrome (3232662323).

The spelling of 2002330321 in words is "two billion, two million, three hundred thirty thousand, three hundred twenty-one".