220383856 has 80 divisors (see below), whose sum is σ = 545465088. Its totient is φ = 83750400.

The previous prime is 220383853. The next prime is 220383857. The reversal of 220383856 is 658383022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220383853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48331 + ... + 52693.

Almost surely, 2^220383856 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 220383856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272732544).

220383856 is an abundant number, since it is smaller than the sum of its proper divisors (325081232).

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

220383856 is a wasteful number, since it uses less digits than its factorization.

220383856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430 (or 4424 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 220383856 is about 14845.3311178970. The cubic root of 220383856 is about 604.0319705896.

The spelling of 220383856 in words is "two hundred twenty million, three hundred eighty-three thousand, eight hundred fifty-six".