220544132223 has 16 divisors (see below), whose sum is σ = 295708454496. Its totient is φ = 146205265920.

The previous prime is 220544132161. The next prime is 220544132227. The reversal of 220544132223 is 322231445022.

It is not a de Polignac number, because 220544132223 - 2¹² = 220544128127 is a prime.

It is a super-2 number, since 2×220544132223² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220544132227) 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, 1298611 + ... + 1458587.

It is an arithmetic number, because the mean of its divisors is an integer number (18481778406).

Almost surely, 2^220544132223 is an apocalyptic number.

220544132223 is a deficient number, since it is larger than the sum of its proper divisors (75164322273).

220544132223 is a wasteful number, since it uses less digits than its factorization.

220544132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162554.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 220544132223 its reverse (322231445022), we get a palindrome (542775577245).

The spelling of 220544132223 in words is "two hundred twenty billion, five hundred forty-four million, one hundred thirty-two thousand, two hundred twenty-three".