201232240530 has 32 divisors (see below), whose sum is σ = 482983300800. Its totient is φ = 53659050432.

The previous prime is 201232240499. The next prime is 201232240597. The reversal of 201232240530 is 35042232102.

201232240530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201232240530.

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 15 ways as a sum of consecutive naturals, for example, 421101 + ... + 761439.

It is an arithmetic number, because the mean of its divisors is an integer number (15093228150).

Almost surely, 2^201232240530 is an apocalyptic number.

201232240530 is an abundant number, since it is smaller than the sum of its proper divisors (281751060270).

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

201232240530 is a wasteful number, since it uses less digits than its factorization.

201232240530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360058.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 201232240530 its reverse (35042232102), we get a palindrome (236274472632).

The spelling of 201232240530 in words is "two hundred one billion, two hundred thirty-two million, two hundred forty thousand, five hundred thirty".