203241240 has 96 divisors (see below), whose sum is σ = 663642720. Its totient is φ = 53942784.

The previous prime is 203241221. The next prime is 203241293. The reversal of 203241240 is 42142302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 82669 + ... + 85091.

It is an arithmetic number, because the mean of its divisors is an integer number (6912945).

Almost surely, 2^203241240 is an apocalyptic number.

203241240 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 203241240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331821360).

203241240 is an abundant number, since it is smaller than the sum of its proper divisors (460401480).

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

203241240 is a wasteful number, since it uses less digits than its factorization.

203241240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 203241240 is about 14256.2701994596. The cubic root of 203241240 is about 587.9457814786.

Adding to 203241240 its reverse (42142302), we get a palindrome (245383542).

The spelling of 203241240 in words is "two hundred three million, two hundred forty-one thousand, two hundred forty".