220760028 has 72 divisors (see below), whose sum is σ = 594751248. Its totient is φ = 68802048.

The previous prime is 220760027. The next prime is 220760047. The reversal of 220760028 is 820067022.

220760028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220759983 and 220760010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220760027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98650 + ... + 100862.

It is an arithmetic number, because the mean of its divisors is an integer number (8260434).

Almost surely, 2^220760028 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 220760028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297375624).

220760028 is an abundant number, since it is smaller than the sum of its proper divisors (373991220).

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

220760028 is a wasteful number, since it uses less digits than its factorization.

220760028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403 (or 2398 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 220760028 is about 14857.9954233403. The cubic root of 220760028 is about 604.3754481941.

The spelling of 220760028 in words is "two hundred twenty million, seven hundred sixty thousand, twenty-eight".