113220230220 has 240 divisors, whose sum is σ = 359242107840. Its totient is φ = 29847896064.

The previous prime is 113220230219. The next prime is 113220230237. The reversal of 113220230220 is 22032022311.

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

It is a junction number, because it is equal to n+sod(n) for n = 113220230193 and 113220230202.

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 79 ways as a sum of consecutive naturals, for example, 123198921 + ... + 123199839.

It is an arithmetic number, because the mean of its divisors is an integer number (1496842116).

Almost surely, 2^113220230220 is an apocalyptic number.

113220230220 is a gapful number since it is divisible by the number (10) 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 113220230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179621053920).

113220230220 is an abundant number, since it is smaller than the sum of its proper divisors (246021877620).

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

113220230220 is a wasteful number, since it uses less digits than its factorization.

113220230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726 (or 1715 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 113220230220 its reverse (22032022311), we get a palindrome (135252252531).

The spelling of 113220230220 in words is "one hundred thirteen billion, two hundred twenty million, two hundred thirty thousand, two hundred twenty".