2001242200 has 48 divisors (see below), whose sum is σ = 4802996160. Its totient is φ = 774672000.

The previous prime is 2001242197. The next prime is 2001242209. The reversal of 2001242200 is 22421002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001242209) 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 11 ways as a sum of consecutive naturals, for example, 155191 + ... + 167590.

It is an arithmetic number, because the mean of its divisors is an integer number (100062420).

Almost surely, 2^2001242200 is an apocalyptic number.

2001242200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001242200 is an abundant number, since it is smaller than the sum of its proper divisors (2801753960).

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

2001242200 is a wasteful number, since it uses less digits than its factorization.

2001242200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322828 (or 322819 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2001242200 is about 44735.2456123804. The cubic root of 2001242200 is about 1260.1818415645.

Adding to 2001242200 its reverse (22421002), we get a palindrome (2023663202).

The spelling of 2001242200 in words is "two billion, one million, two hundred forty-two thousand, two hundred".