2001203300240 has 20 divisors (see below), whose sum is σ = 4652797673244. Its totient is φ = 800481320064.

The previous prime is 2001203300207. The next prime is 2001203300263. The reversal of 2001203300240 is 420033021002.

It can be written as a sum of positive squares in 2 ways, for example, as 1258821168784 + 742382131456 = 1121972^2 + 861616^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×2001203300240³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12507520547 + ... + 12507520706.

Almost surely, 2^{2001203300240} is an apocalyptic number.

2001203300240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001203300240 is an abundant number, since it is smaller than the sum of its proper divisors (2651594373004).

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

2001203300240 is a wasteful number, since it uses less digits than its factorization.

2001203300240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25015041266 (or 25015041260 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 2001203300240 its reverse (420033021002), we get a palindrome (2421236321242).

The spelling of 2001203300240 in words is "two trillion, one billion, two hundred three million, three hundred thousand, two hundred forty".