230333220 has 120 divisors (see below), whose sum is σ = 778216824. Its totient is φ = 56692224.

The previous prime is 230333183. The next prime is 230333249. The reversal of 230333220 is 22333032.

It can be written as a sum of positive squares in 4 ways, for example, as 37234404 + 193098816 = 6102^2 + 13896^2 .

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 = 230333193 and 230333202.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15592 + ... + 26528.

Almost surely, 2^230333220 is an apocalyptic number.

230333220 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 230333220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389108412).

230333220 is an abundant number, since it is smaller than the sum of its proper divisors (547883604).

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

230333220 is a wasteful number, since it uses less digits than its factorization.

230333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10971 (or 10960 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 230333220 is about 15176.7328499911. The cubic root of 230333220 is about 612.9883108583.

Adding to 230333220 its reverse (22333032), we get a palindrome (252666252).

The spelling of 230333220 in words is "two hundred thirty million, three hundred thirty-three thousand, two hundred twenty".