220432064288 has 18 divisors (see below), whose sum is σ = 433980855441. Its totient is φ = 110214704192.

The previous prime is 220432064273. The next prime is 220432064299. The reversal of 220432064288 is 882460234022.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 215025109264 + 5406955024 = 463708^2 + 73532^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=331988.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2614406 + ... + 2697402.

Almost surely, 2^220432064288 is an apocalyptic number.

It is an amenable number.

220432064288 is a deficient number, since it is larger than the sum of its proper divisors (213548791153).

220432064288 is an frugal number, since it uses more digits than its factorization.

220432064288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166004 (or 82999 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 41.

The spelling of 220432064288 in words is "two hundred twenty billion, four hundred thirty-two million, sixty-four thousand, two hundred eighty-eight".