220406240223 has 24 divisors (see below), whose sum is σ = 342872843040. Its totient is φ = 135627215040.

The previous prime is 220406240203. The next prime is 220406240239. The reversal of 220406240223 is 322042604022.

It is a happy number.

It is not a de Polignac number, because 220406240223 - 2⁸ = 220406239967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220406240203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2757958 + ... + 2836748.

It is an arithmetic number, because the mean of its divisors is an integer number (14286368460).

Almost surely, 2^220406240223 is an apocalyptic number.

220406240223 is a deficient number, since it is larger than the sum of its proper divisors (122466602817).

220406240223 is a wasteful number, since it uses less digits than its factorization.

220406240223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102719 (or 102716 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 220406240223 its reverse (322042604022), we get a palindrome (542448844245).

The spelling of 220406240223 in words is "two hundred twenty billion, four hundred six million, two hundred forty thousand, two hundred twenty-three".