230203220 has 24 divisors (see below), whose sum is σ = 520614024. Its totient is φ = 84998016.

The previous prime is 230203201. The next prime is 230203271. The reversal of 230203220 is 22302032.

It can be written as a sum of positive squares in 4 ways, for example, as 559504 + 229643716 = 748^2 + 15154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230203195 and 230203204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442439 + ... + 442958.

It is an arithmetic number, because the mean of its divisors is an integer number (21692251).

Almost surely, 2^230203220 is an apocalyptic number.

230203220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230203220 is an abundant number, since it is smaller than the sum of its proper divisors (290410804).

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

230203220 is a wasteful number, since it uses less digits than its factorization.

230203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885419 (or 885417 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 230203220 is about 15172.4493737827. The cubic root of 230203220 is about 612.8729656826.

Adding to 230203220 its reverse (22302032), we get a palindrome (252505252).

The spelling of 230203220 in words is "two hundred thirty million, two hundred three thousand, two hundred twenty".