220420444224 has 56 divisors (see below), whose sum is σ = 587452732128. Its totient is φ = 72937169920.

The previous prime is 220420444213. The next prime is 220420444243. The reversal of 220420444224 is 422444024022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220420444191 and 220420444200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4163562 + ... + 4216169.

Almost surely, 2^220420444224 is an apocalyptic number.

220420444224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220420444224 is an abundant number, since it is smaller than the sum of its proper divisors (367032287904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220420444224 is a wasteful number, since it uses less digits than its factorization.

220420444224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379883 (or 8379873 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 220420444224 its reverse (422444024022), we get a palindrome (642864468246).

The spelling of 220420444224 in words is "two hundred twenty billion, four hundred twenty million, four hundred forty-four thousand, two hundred twenty-four".