2001132888 has 32 divisors (see below), whose sum is σ = 5008273200. Its totient is φ = 666318848.

The previous prime is 2001132869. The next prime is 2001132893. The reversal of 2001132888 is 8882311002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22581 + ... + 67172.

Almost surely, 2^2001132888 is an apocalyptic number.

It is an amenable number.

2001132888 is an abundant number, since it is smaller than the sum of its proper divisors (3007140312).

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

2001132888 is a wasteful number, since it uses less digits than its factorization.

2001132888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90691 (or 90687 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 2001132888 is about 44734.0238297428. The cubic root of 2001132888 is about 1260.1588965646.

The spelling of 2001132888 in words is "two billion, one million, one hundred thirty-two thousand, eight hundred eighty-eight".