220143230 has 16 divisors (see below), whose sum is σ = 405473904. Its totient is φ = 86009280.

The previous prime is 220143181. The next prime is 220143233. The reversal of 220143230 is 32341022.

It is a junction number, because it is equal to n+sod(n) for n = 220143199 and 220143208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220143233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255551 + ... + 256410.

It is an arithmetic number, because the mean of its divisors is an integer number (25342119).

Almost surely, 2^220143230 is an apocalyptic number.

220143230 is a deficient number, since it is larger than the sum of its proper divisors (185330674).

220143230 is a wasteful number, since it uses less digits than its factorization.

220143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512011.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 220143230 is about 14837.2244709043. The cubic root of 220143230 is about 603.8120531990.

Adding to 220143230 its reverse (32341022), we get a palindrome (252484252).

The spelling of 220143230 in words is "two hundred twenty million, one hundred forty-three thousand, two hundred thirty".