220463936288 has 18 divisors (see below), whose sum is σ = 434043603819. Its totient is φ = 110230640096.

The previous prime is 220463936281. The next prime is 220463936293. The reversal of 220463936288 is 882639364022.

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 only one way, i.e., 110231968144 + 110231968144 = 332012^2 + 332012^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=332012.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220463936281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2614595 + ... + 2697597.

Almost surely, 2^220463936288 is an apocalyptic number.

It is an amenable number.

220463936288 is a deficient number, since it is larger than the sum of its proper divisors (213579667531).

220463936288 is an frugal number, since it uses more digits than its factorization.

220463936288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166016 (or 83005 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 220463936288 in words is "two hundred twenty billion, four hundred sixty-three million, nine hundred thirty-six thousand, two hundred eighty-eight".