2001303552 has 96 divisors (see below), whose sum is σ = 5359011840. Its totient is φ = 664166400.

The previous prime is 2001303509. The next prime is 2001303559. The reversal of 2001303552 is 2553031002.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001303559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1738177 + ... + 1739327.

It is an arithmetic number, because the mean of its divisors is an integer number (55823040).

Almost surely, 2^2001303552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001303552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2679505920).

2001303552 is an abundant number, since it is smaller than the sum of its proper divisors (3357708288).

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

2001303552 is a wasteful number, since it uses less digits than its factorization.

2001303552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2001303552 is about 44735.9313304194. The cubic root of 2001303552 is about 1260.1947192139.

Adding to 2001303552 its reverse (2553031002), we get a palindrome (4554334554).

The spelling of 2001303552 in words is "two billion, one million, three hundred three thousand, five hundred fifty-two".