230540220 has 72 divisors (see below), whose sum is σ = 700618464. Its totient is φ = 61362048.

The previous prime is 230540203. The next prime is 230540279. The reversal of 230540220 is 22045032.

230540220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 230540193 and 230540202.

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, 142657 + ... + 144263.

It is an arithmetic number, because the mean of its divisors is an integer number (9730812).

Almost surely, 2^230540220 is an apocalyptic number.

230540220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230540220 is an abundant number, since it is smaller than the sum of its proper divisors (470078244).

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

230540220 is a wasteful number, since it uses less digits than its factorization.

230540220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419 (or 2414 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 230540220 is about 15183.5509680707. The cubic root of 230540220 is about 613.1718863290.

Adding to 230540220 its reverse (22045032), we get a palindrome (252585252).

The spelling of 230540220 in words is "two hundred thirty million, five hundred forty thousand, two hundred twenty".