220726016 has 72 divisors (see below), whose sum is σ = 517295520. Its totient is φ = 92012544.

The previous prime is 220726003. The next prime is 220726019. The reversal of 220726016 is 610627022.

It is not an unprimeable number, because it can be changed into a prime (220726019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64640 + ... + 67968.

It is an arithmetic number, because the mean of its divisors is an integer number (7184660).

Almost surely, 2^220726016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220726016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258647760).

220726016 is an abundant number, since it is smaller than the sum of its proper divisors (296569504).

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

220726016 is an equidigital number, since it uses as much as digits as its factorization.

220726016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389 (or 3375 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 220726016 is about 14856.8508103164. The cubic root of 220726016 is about 604.3444083455.

The spelling of 220726016 in words is "two hundred twenty million, seven hundred twenty-six thousand, sixteen".