220021030223 has 16 divisors (see below), whose sum is σ = 223195896000. Its totient is φ = 216862728192.

The previous prime is 220021030213. The next prime is 220021030301. The reversal of 220021030223 is 322030120022.

It is a cyclic number.

It is not a de Polignac number, because 220021030223 - 2²⁶ = 219953921359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021030213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69427583 + ... + 69430751.

It is an arithmetic number, because the mean of its divisors is an integer number (13949743500).

Almost surely, 2^220021030223 is an apocalyptic number.

220021030223 is a deficient number, since it is larger than the sum of its proper divisors (3174865777).

220021030223 is a wasteful number, since it uses less digits than its factorization.

220021030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474.

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

Adding to 220021030223 its reverse (322030120022), we get a palindrome (542051150245).

The spelling of 220021030223 in words is "two hundred twenty billion, twenty-one million, thirty thousand, two hundred twenty-three".