2001001032 has 24 divisors (see below), whose sum is σ = 5419377990. Its totient is φ = 667000320.

The previous prime is 2001001019. The next prime is 2001001091. The reversal of 2001001032 is 2301001002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1515856356 + 485144676 = 38934^2 + 22026^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13895769 + ... + 13895912.

Almost surely, 2^2001001032 is an apocalyptic number.

It is an amenable number.

2001001032 is an abundant number, since it is smaller than the sum of its proper divisors (3418376958).

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

2001001032 is a wasteful number, since it uses less digits than its factorization.

2001001032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27791693 (or 27791686 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2001001032 is about 44732.5500279159. The cubic root of 2001001032 is about 1260.1312183826.

Adding to 2001001032 its reverse (2301001002), we get a palindrome (4302002034).

The spelling of 2001001032 in words is "two billion, one million, one thousand, thirty-two".