220231230 has 32 divisors (see below), whose sum is σ = 533412000. Its totient is φ = 58188672.

The previous prime is 220231177. The next prime is 220231259. The reversal of 220231230 is 32132022.

220231230 is digitally balanced in base 2, 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 (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30405 + ... + 36944.

It is an arithmetic number, because the mean of its divisors is an integer number (16669125).

Almost surely, 2^220231230 is an apocalyptic number.

220231230 is an abundant number, since it is smaller than the sum of its proper divisors (313180770).

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

220231230 is a wasteful number, since it uses less digits than its factorization.

220231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67468.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220231230 is about 14840.1896888146. The cubic root of 220231230 is about 603.8924983742.

Adding to 220231230 its reverse (32132022), we get a palindrome (252363252).

The spelling of 220231230 in words is "two hundred twenty million, two hundred thirty-one thousand, two hundred thirty".