2001287060 has 24 divisors (see below), whose sum is σ = 4203817800. Its totient is φ = 800302464.

The previous prime is 2001287047. The next prime is 2001287069. The reversal of 2001287060 is 607821002.

It can be written as a sum of positive squares in 4 ways, for example, as 496933264 + 1504353796 = 22292^2 + 38786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001287069) 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 7 ways as a sum of consecutive naturals, for example, 79982 + ... + 101978.

It is an arithmetic number, because the mean of its divisors is an integer number (175159075).

Almost surely, 2^2001287060 is an apocalyptic number.

2001287060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001287060 is an abundant number, since it is smaller than the sum of its proper divisors (2202530740).

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

2001287060 is a wasteful number, since it uses less digits than its factorization.

2001287060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26555 (or 26553 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2001287060 is about 44735.7470039341. The cubic root of 2001287060 is about 1260.1912576053.

The spelling of 2001287060 in words is "two billion, one million, two hundred eighty-seven thousand, sixty".