115532230220 has 36 divisors (see below), whose sum is σ = 266678946912. Its totient is φ = 42011719200.

The previous prime is 115532230217. The next prime is 115532230259. The reversal of 115532230220 is 22032235511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 115532230220.

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 11 ways as a sum of consecutive naturals, for example, 23867876 + ... + 23872715.

Almost surely, 2^115532230220 is an apocalyptic number.

115532230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115532230220 is an abundant number, since it is smaller than the sum of its proper divisors (151146716692).

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

115532230220 is a wasteful number, since it uses less digits than its factorization.

115532230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47740622 (or 47740609 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 115532230220 its reverse (22032235511), we get a palindrome (137564465731).

The spelling of 115532230220 in words is "one hundred fifteen billion, five hundred thirty-two million, two hundred thirty thousand, two hundred twenty".