220708128 has 48 divisors (see below), whose sum is σ = 580789440. Its totient is φ = 73387776.

The previous prime is 220708109. The next prime is 220708141. The reversal of 220708128 is 821807022.

It is a happy number.

220708128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 220708095 and 220708104.

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, 39526 + ... + 44762.

It is an arithmetic number, because the mean of its divisors is an integer number (12099780).

Almost surely, 2^220708128 is an apocalyptic number.

It is an amenable number.

220708128 is an abundant number, since it is smaller than the sum of its proper divisors (360081312).

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

220708128 is a wasteful number, since it uses less digits than its factorization.

220708128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689 (or 5681 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 220708128 is about 14856.2487862852. The cubic root of 220708128 is about 604.3280822156.

The spelling of 220708128 in words is "two hundred twenty million, seven hundred eight thousand, one hundred twenty-eight".