2001013332 has 12 divisors (see below), whose sum is σ = 4669031136. Its totient is φ = 667004440.

The previous prime is 2001013307. The next prime is 2001013337. The reversal of 2001013332 is 2333101002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001013337) 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, 83375544 + ... + 83375567.

It is an arithmetic number, because the mean of its divisors is an integer number (389085928).

Almost surely, 2^2001013332 is an apocalyptic number.

It is an amenable number.

2001013332 is an abundant number, since it is smaller than the sum of its proper divisors (2668017804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001013332 is a wasteful number, since it uses less digits than its factorization.

2001013332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166751118 (or 166751116 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2001013332 is about 44732.6875114831. The cubic root of 2001013332 is about 1260.1338003540.

Adding to 2001013332 its reverse (2333101002), we get a palindrome (4334114334).

The spelling of 2001013332 in words is "two billion, one million, thirteen thousand, three hundred thirty-two".