220023230 has 48 divisors (see below), whose sum is σ = 484969680. Its totient is φ = 71463168.

The previous prime is 220023227. The next prime is 220023247. The reversal of 220023230 is 32320022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a nialpdrome in base 7.

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, 2507 + ... + 21126.

It is an arithmetic number, because the mean of its divisors is an integer number (10103535).

Almost surely, 2^220023230 is an apocalyptic number.

220023230 is an abundant number, since it is smaller than the sum of its proper divisors (264946450).

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

220023230 is a wasteful number, since it uses less digits than its factorization.

220023230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23673 (or 23666 counting only the distinct ones).

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

The square root of 220023230 is about 14833.1800366611. The cubic root of 220023230 is about 603.7023206764.

Adding to 220023230 its reverse (32320022), we get a palindrome (252343252).

The spelling of 220023230 in words is "two hundred twenty million, twenty-three thousand, two hundred thirty".