220204244224 has 18 divisors (see below), whose sum is σ = 439548316130. Its totient is φ = 110102121984.

The previous prime is 220204244207. The next prime is 220204244251. The reversal of 220204244224 is 422442402022.

It can be written as a sum of positive squares in only one way, i.e., 114948121600 + 105256122624 = 339040^2 + 324432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220204244192 and 220204244201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430086159 + ... + 430086670.

Almost surely, 2^220204244224 is an apocalyptic number.

It is an amenable number.

220204244224 is a deficient number, since it is larger than the sum of its proper divisors (219344071906).

220204244224 is an frugal number, since it uses more digits than its factorization.

220204244224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860172845 (or 860172831 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 220204244224 its reverse (422442402022), we get a palindrome (642646646246).

The spelling of 220204244224 in words is "two hundred twenty billion, two hundred four million, two hundred forty-four thousand, two hundred twenty-four".