1220113230 has 96 divisors (see below), whose sum is σ = 3523940640. Its totient is φ = 269256960.

The previous prime is 1220113199. The next prime is 1220113243. The reversal of 1220113230 is 323110221.

1220113230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28320 + ... + 56940.

It is an arithmetic number, because the mean of its divisors is an integer number (36707715).

Almost surely, 2^1220113230 is an apocalyptic number.

1220113230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220113230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761970320).

1220113230 is an abundant number, since it is smaller than the sum of its proper divisors (2303827410).

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

1220113230 is a wasteful number, since it uses less digits than its factorization.

1220113230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28674 (or 28667 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1220113230 is about 34930.1192382734. The cubic root of 1220113230 is about 1068.5627863998.

Adding to 1220113230 its reverse (323110221), we get a palindrome (1543223451).

The spelling of 1220113230 in words is "one billion, two hundred twenty million, one hundred thirteen thousand, two hundred thirty".