220221116424 has 96 divisors (see below), whose sum is σ = 601718832000. Its totient is φ = 72759202560.

The previous prime is 220221116419. The next prime is 220221116447. The reversal of 220221116424 is 424611122022.

It is a happy number.

220221116424 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 2 + 1 + 11 + 642 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3739044 + ... + 3797484.

It is an arithmetic number, because the mean of its divisors is an integer number (6267904500).

Almost surely, 2^220221116424 is an apocalyptic number.

220221116424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220221116424 is an abundant number, since it is smaller than the sum of its proper divisors (381497715576).

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

220221116424 is a wasteful number, since it uses less digits than its factorization.

220221116424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58915 (or 58908 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 220221116424 its reverse (424611122022), we get a palindrome (644832238446).

The spelling of 220221116424 in words is "two hundred twenty billion, two hundred twenty-one million, one hundred sixteen thousand, four hundred twenty-four".