220023111230 has 32 divisors (see below), whose sum is σ = 426548052000. Its totient is φ = 81231357312.

The previous prime is 220023111197. The next prime is 220023111239. The reversal of 220023111230 is 32111320022.

It is a super-2 number, since 2×220023111230² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220023111199 and 220023111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220023111239) 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, 1346081 + ... + 1500659.

It is an arithmetic number, because the mean of its divisors is an integer number (13329626625).

Almost surely, 2^220023111230 is an apocalyptic number.

220023111230 is a deficient number, since it is larger than the sum of its proper divisors (206524940770).

220023111230 is a wasteful number, since it uses less digits than its factorization.

220023111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165548.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220023111230 its reverse (32111320022), we get a palindrome (252134431252).

The spelling of 220023111230 in words is "two hundred twenty billion, twenty-three million, one hundred eleven thousand, two hundred thirty".