220505332324123 has 16 divisors (see below), whose sum is σ = 291087253062144. Its totient is φ = 161715140588160.

The previous prime is 220505332324061. The next prime is 220505332324133. The reversal of 220505332324123 is 321423233505022.

It is a cyclic number.

It is not a de Polignac number, because 220505332324123 - 2²¹ = 220505330226971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220505332324133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84226634415 + ... + 84226637032.

It is an arithmetic number, because the mean of its divisors is an integer number (18192953316384).

Almost surely, 2^{220505332324123} is an apocalyptic number.

220505332324123 is a deficient number, since it is larger than the sum of its proper divisors (70581920738021).

220505332324123 is a wasteful number, since it uses less digits than its factorization.

220505332324123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168453271482.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 220505332324123 its reverse (321423233505022), we get a palindrome (541928565829145).

The spelling of 220505332324123 in words is "two hundred twenty trillion, five hundred five billion, three hundred thirty-two million, three hundred twenty-four thousand, one hundred twenty-three".