201112302240 has 72 divisors (see below), whose sum is σ = 686295736308. Its totient is φ = 53629946880.

The previous prime is 201112302211. The next prime is 201112302253. The reversal of 201112302240 is 42203211102.

It is a happy number.

201112302240 is a `hidden beast` number, since 201 + 11 + 230 + 224 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 180689605776 + 20422696464 = 425076^2 + 142908^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×201112302240² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69829221 + ... + 69832100.

Almost surely, 2^201112302240 is an apocalyptic number.

201112302240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112302240 is an abundant number, since it is smaller than the sum of its proper divisors (485183434068).

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

201112302240 is a wasteful number, since it uses less digits than its factorization.

201112302240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139661342 (or 139661331 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201112302240 its reverse (42203211102), we get a palindrome (243315513342).

The spelling of 201112302240 in words is "two hundred one billion, one hundred twelve million, three hundred two thousand, two hundred forty".