2002001233 has 4 divisors (see below), whose sum is σ = 2008438848. Its totient is φ = 1995563620.

The previous prime is 2002001207. The next prime is 2002001249. The reversal of 2002001233 is 3321002002.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3321002002 = 2 ⋅1660501001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002001233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002001263) 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, 3218341 + ... + 3218962.

It is an arithmetic number, because the mean of its divisors is an integer number (502109712).

Almost surely, 2^2002001233 is an apocalyptic number.

It is an amenable number.

2002001233 is a deficient number, since it is larger than the sum of its proper divisors (6437615).

2002001233 is an equidigital number, since it uses as much as digits as its factorization.

2002001233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437614.

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

The square root of 2002001233 is about 44743.7284208636. The cubic root of 2002001233 is about 1260.3411424059.

Adding to 2002001233 its reverse (3321002002), we get a palindrome (5323003235).

The spelling of 2002001233 in words is "two billion, two million, one thousand, two hundred thirty-three".