220843603600 has 45 divisors (see below), whose sum is σ = 530599339227. Its totient is φ = 88333681920.

The previous prime is 220843603573. The next prime is 220843603601. The reversal of 220843603600 is 6306348022.

The square root of 220843603600 is 469940.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6274540944 + 214569062656 = 79212^2 + 463216^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220843603601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9387052 + ... + 9410548.

Almost surely, 2^220843603600 is an apocalyptic number.

220843603600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

220843603600 is the 469940-th square number.

It is an amenable number.

220843603600 is an abundant number, since it is smaller than the sum of its proper divisors (309755735627).

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

220843603600 is an frugal number, since it uses more digits than its factorization.

220843603600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47012 (or 23504 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 220843603600 in words is "two hundred twenty billion, eight hundred forty-three million, six hundred three thousand, six hundred".