2001013033 has 8 divisors (see below), whose sum is σ = 2139291648. Its totient is φ = 1865020224.

The previous prime is 2001013019. The next prime is 2001013037. The reversal of 2001013033 is 3303101002.

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

It is a de Polignac number, because none of the positive numbers 2^k-2001013033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001013037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569641 + ... + 573142.

It is an arithmetic number, because the mean of its divisors is an integer number (267411456).

Almost surely, 2^2001013033 is an apocalyptic number.

It is an amenable number.

2001013033 is a deficient number, since it is larger than the sum of its proper divisors (138278615).

2001013033 is a wasteful number, since it uses less digits than its factorization.

2001013033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142903.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 2001013033 is about 44732.6841694079. The cubic root of 2001013033 is about 1260.1337375891.

Adding to 2001013033 its reverse (3303101002), we get a palindrome (5304114035).

The spelling of 2001013033 in words is "two billion, one million, thirteen thousand, thirty-three".