230315220 has 72 divisors (see below), whose sum is σ = 700113960. Its totient is φ = 61286400.

The previous prime is 230315177. The next prime is 230315231. The reversal of 230315220 is 22513032.

It can be written as a sum of positive squares in 4 ways, for example, as 31674384 + 198640836 = 5628^2 + 14094^2 .

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 = 230315193 and 230315202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107116 + ... + 109244.

It is an arithmetic number, because the mean of its divisors is an integer number (9723805).

Almost surely, 2^230315220 is an apocalyptic number.

230315220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230315220 is an abundant number, since it is smaller than the sum of its proper divisors (469798740).

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

230315220 is a wasteful number, since it uses less digits than its factorization.

230315220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2740 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 230315220 is about 15176.1398253970. The cubic root of 230315220 is about 612.9723425769.

Adding to 230315220 its reverse (22513032), we get a palindrome (252828252).

The spelling of 230315220 in words is "two hundred thirty million, three hundred fifteen thousand, two hundred twenty".