2001331002 has 32 divisors (see below), whose sum is σ = 4376078784. Its totient is φ = 605139200.

The previous prime is 2001330997. The next prime is 2001331019.

It is a happy number.

2001331002 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2463 + ... + 63314.

It is an arithmetic number, because the mean of its divisors is an integer number (136752462).

Almost surely, 2^2001331002 is an apocalyptic number.

2001331002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001331002 is an abundant number, since it is smaller than the sum of its proper divisors (2374747782).

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

2001331002 is a wasteful number, since it uses less digits than its factorization.

2001331002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66254.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2001331002 is about 44736.2381297310. The cubic root of 2001331002 is about 1260.2004808231.

It can be divided in two parts, 20013 and 31002, that added together give a palindrome (51015).

The spelling of 2001331002 in words is "two billion, one million, three hundred thirty-one thousand, two".