2001266332 has 24 divisors (see below), whose sum is σ = 3773414736. Its totient is φ = 923221248.

The previous prime is 2001266329. The next prime is 2001266339. The reversal of 2001266332 is 2336621002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001266297 and 2001266306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001266339) 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, 117723 + ... + 133645.

It is an arithmetic number, because the mean of its divisors is an integer number (157225614).

Almost surely, 2^2001266332 is an apocalyptic number.

It is an amenable number.

2001266332 is a deficient number, since it is larger than the sum of its proper divisors (1772148404).

2001266332 is a wasteful number, since it uses less digits than its factorization.

2001266332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18357 (or 18355 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 2001266332 is about 44735.5153317809. The cubic root of 2001266332 is about 1260.1869068494.

Adding to 2001266332 its reverse (2336621002), we get a palindrome (4337887334).

The spelling of 2001266332 in words is "two billion, one million, two hundred sixty-six thousand, three hundred thirty-two".