220406442220 has 24 divisors (see below), whose sum is σ = 463019483808. Its totient is φ = 88130966400.

The previous prime is 220406442199. The next prime is 220406442241. The reversal of 220406442220 is 22244604022.

It is an interprime number because it is at equal distance from previous prime (220406442199) and next prime (220406442241).

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, 1918441 + ... + 2030080.

It is an arithmetic number, because the mean of its divisors is an integer number (19292478492).

Almost surely, 2^220406442220 is an apocalyptic number.

220406442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220406442220 is an abundant number, since it is smaller than the sum of its proper divisors (242613041588).

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

220406442220 is a wasteful number, since it uses less digits than its factorization.

220406442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951321 (or 3951319 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The spelling of 220406442220 in words is "two hundred twenty billion, four hundred six million, four hundred forty-two thousand, two hundred twenty".