230120220 has 144 divisors (see below), whose sum is σ = 733330080. Its totient is φ = 53813760.

The previous prime is 230120213. The next prime is 230120273. The reversal of 230120220 is 22021032.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 230120196 and 230120205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209994 + ... + 211086.

It is an arithmetic number, because the mean of its divisors is an integer number (5092570).

Almost surely, 2^230120220 is an apocalyptic number.

230120220 is a gapful number since it is divisible by the number (20) 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 230120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366665040).

230120220 is an abundant number, since it is smaller than the sum of its proper divisors (503209860).

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

230120220 is a wasteful number, since it uses less digits than its factorization.

230120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 230120220 is about 15169.7139063332. The cubic root of 230120220 is about 612.7992995093.

Adding to 230120220 its reverse (22021032), we get a palindrome (252141252).

The spelling of 230120220 in words is "two hundred thirty million, one hundred twenty thousand, two hundred twenty".