2003001200 has 90 divisors (see below), whose sum is σ = 5112227856. Its totient is φ = 754027520.

The previous prime is 2003001191. The next prime is 2003001211. The reversal of 2003001200 is 21003002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 106937 + ... + 124263.

Almost surely, 2^2003001200 is an apocalyptic number.

2003001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2556113928).

2003001200 is an abundant number, since it is smaller than the sum of its proper divisors (3109226656).

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

2003001200 is a wasteful number, since it uses less digits than its factorization.

2003001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17379 (or 17351 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2003001200 is about 44754.9014075554. The cubic root of 2003001200 is about 1260.5509474343.

Adding to 2003001200 its reverse (21003002), we get a palindrome (2024004202).

The spelling of 2003001200 in words is "two billion, three million, one thousand, two hundred".