220023343221064 has 8 divisors (see below), whose sum is σ = 412543768539510. Its totient is φ = 110011671610528.

The previous prime is 220023343221043. The next prime is 220023343221109. The reversal of 220023343221064 is 460122343320022.

It can be written as a sum of positive squares in only one way, i.e., 199723542640164 + 20299800580900 = 14132358^2 + 4505530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13751458951309 + ... + 13751458951324.

Almost surely, 2^{220023343221064} is an apocalyptic number.

It is an amenable number.

220023343221064 is a deficient number, since it is larger than the sum of its proper divisors (192520425318446).

220023343221064 is a wasteful number, since it uses less digits than its factorization.

220023343221064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27502917902639 (or 27502917902635 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 220023343221064 its reverse (460122343320022), we get a palindrome (680145686541086).

The spelling of 220023343221064 in words is "two hundred twenty trillion, twenty-three billion, three hundred forty-three million, two hundred twenty-one thousand, sixty-four".