201003240 has 128 divisors (see below), whose sum is σ = 655983360. Its totient is φ = 49065984.

The previous prime is 201003227. The next prime is 201003241. The reversal of 201003240 is 42300102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (201003241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74149 + ... + 76811.

It is an arithmetic number, because the mean of its divisors is an integer number (5124870).

Almost surely, 2^201003240 is an apocalyptic number.

201003240 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 201003240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327991680).

201003240 is an abundant number, since it is smaller than the sum of its proper divisors (454980120).

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

201003240 is a wasteful number, since it uses less digits than its factorization.

201003240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 201003240 is about 14177.5611442871. The cubic root of 201003240 is about 585.7797477045.

Adding to 201003240 its reverse (42300102), we get a palindrome (243303342).

The spelling of 201003240 in words is "two hundred one million, three thousand, two hundred forty".