2001322033 has 4 divisors (see below), whose sum is σ = 2020752448. Its totient is φ = 1981891620.

The previous prime is 2001322031. The next prime is 2001322091. The reversal of 2001322033 is 3302231002.

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 2001322033 - 2¹ = 2001322031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001321998 and 2001322016.

It is not an unprimeable number, because it can be changed into a prime (2001322031) 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, 9715053 + ... + 9715258.

It is an arithmetic number, because the mean of its divisors is an integer number (505188112).

Almost surely, 2^2001322033 is an apocalyptic number.

It is an amenable number.

2001322033 is a deficient number, since it is larger than the sum of its proper divisors (19430415).

2001322033 is a wasteful number, since it uses less digits than its factorization.

2001322033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19430414.

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

The square root of 2001322033 is about 44736.1378865007. The cubic root of 2001322033 is about 1260.1985982834.

Adding to 2001322033 its reverse (3302231002), we get a palindrome (5303553035).

The spelling of 2001322033 in words is "two billion, one million, three hundred twenty-two thousand, thirty-three".