220446420 has 48 divisors (see below), whose sum is σ = 627721920. Its totient is φ = 57788416.

The previous prime is 220446383. The next prime is 220446431. The reversal of 220446420 is 24644022.

220446420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27597 + ... + 34676.

It is an arithmetic number, because the mean of its divisors is an integer number (13077540).

Almost surely, 2^220446420 is an apocalyptic number.

220446420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220446420 is an abundant number, since it is smaller than the sum of its proper divisors (407275500).

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

220446420 is a wasteful number, since it uses less digits than its factorization.

220446420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62344 (or 62342 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 220446420 is about 14847.4381628616. The cubic root of 220446420 is about 604.0891240209.

The spelling of 220446420 in words is "two hundred twenty million, four hundred forty-six thousand, four hundred twenty".