201305240 has 32 divisors (see below), whose sum is σ = 468558000. Its totient is φ = 77745024.

The previous prime is 201305219. The next prime is 201305249. The reversal of 201305240 is 42503102.

201305240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201305249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85610 + ... + 87929.

Almost surely, 2^201305240 is an apocalyptic number.

201305240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201305240 is an abundant number, since it is smaller than the sum of its proper divisors (267252760).

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

201305240 is a wasteful number, since it uses less digits than its factorization.

201305240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173579 (or 173575 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 201305240 is about 14188.2077797021. The cubic root of 201305240 is about 586.0729717668.

Adding to 201305240 its reverse (42503102), we get a palindrome (243808342).

The spelling of 201305240 in words is "two hundred one million, three hundred five thousand, two hundred forty".