2001010239 has 12 divisors (see below), whose sum is σ = 2890968496. Its totient is φ = 1333720512.

The previous prime is 2001010169. The next prime is 2001010247. The reversal of 2001010239 is 9320101002.

It is a happy number.

It is not a de Polignac number, because 2001010239 - 2¹² = 2001006143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001010259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25854 + ... + 68340.

Almost surely, 2^2001010239 is an apocalyptic number.

2001010239 is a deficient number, since it is larger than the sum of its proper divisors (889958257).

2001010239 is a wasteful number, since it uses less digits than its factorization.

2001010239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47726 (or 47723 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2001010239 is about 44732.6529394356. The cubic root of 2001010239 is about 1260.1331510837.

The spelling of 2001010239 in words is "two billion, one million, ten thousand, two hundred thirty-nine".