2001320233 has 8 divisors (see below), whose sum is σ = 2234032416. Its totient is φ = 1777070400.

The previous prime is 2001320231. The next prime is 2001320261. The reversal of 2001320233 is 3320231002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001320233 - 2¹ = 2001320231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001320231) 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 7 ways as a sum of consecutive naturals, for example, 2115088 + ... + 2116033.

It is an arithmetic number, because the mean of its divisors is an integer number (279254052).

Almost surely, 2^2001320233 is an apocalyptic number.

It is an amenable number.

2001320233 is a deficient number, since it is larger than the sum of its proper divisors (232712183).

2001320233 is a wasteful number, since it uses less digits than its factorization.

2001320233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231175.

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

The square root of 2001320233 is about 44736.1177685324. The cubic root of 2001320233 is about 1260.1982204734.

Adding to 2001320233 its reverse (3320231002), we get a palindrome (5321551235).

The spelling of 2001320233 in words is "two billion, one million, three hundred twenty thousand, two hundred thirty-three".