2001002033 has 16 divisors (see below), whose sum is σ = 2065626816. Its totient is φ = 1937295360.

The previous prime is 2001002011. The next prime is 2001002057. The reversal of 2001002033 is 3302001002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001002033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001002533) 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 15 ways as a sum of consecutive naturals, for example, 3657866 + ... + 3658412.

It is an arithmetic number, because the mean of its divisors is an integer number (129101676).

Almost surely, 2^2001002033 is an apocalyptic number.

It is an amenable number.

2001002033 is a deficient number, since it is larger than the sum of its proper divisors (64624783).

2001002033 is a wasteful number, since it uses less digits than its factorization.

2001002033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2001002033 is about 44732.5612166350. The cubic root of 2001002033 is about 1260.1314285093.

Adding to 2001002033 its reverse (3302001002), we get a palindrome (5303003035).

The spelling of 2001002033 in words is "two billion, one million, two thousand, thirty-three".