230670820 has 12 divisors (see below), whose sum is σ = 484408764. Its totient is φ = 92268320.

The previous prime is 230670809. The next prime is 230670827. The reversal of 230670820 is 28076032.

230670820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 88059456 + 142611364 = 9384^2 + 11942^2 .

It is not an unprimeable number, because it can be changed into a prime (230670827) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5766751 + ... + 5766790.

It is an arithmetic number, because the mean of its divisors is an integer number (40367397).

Almost surely, 2^230670820 is an apocalyptic number.

230670820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230670820 is an abundant number, since it is smaller than the sum of its proper divisors (253737944).

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

230670820 is a wasteful number, since it uses less digits than its factorization.

230670820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11533550 (or 11533548 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 230670820 is about 15187.8510659013. The cubic root of 230670820 is about 613.2876508456.

The spelling of 230670820 in words is "two hundred thirty million, six hundred seventy thousand, eight hundred twenty".