220868850 has 48 divisors (see below), whose sum is σ = 555955488. Its totient is φ = 58016640.

The previous prime is 220868849. The next prime is 220868887. The reversal of 220868850 is 58868022.

220868850 is digitally balanced in base 3, 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 = 220868799 and 220868808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 939 + ... + 21038.

It is an arithmetic number, because the mean of its divisors is an integer number (11582406).

Almost surely, 2^220868850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220868850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277977744).

220868850 is an abundant number, since it is smaller than the sum of its proper divisors (335086638).

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

220868850 is a wasteful number, since it uses less digits than its factorization.

220868850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22059 (or 22054 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 220868850 is about 14861.6570408552. The cubic root of 220868850 is about 604.4747393290.

The spelling of 220868850 in words is "two hundred twenty million, eight hundred sixty-eight thousand, eight hundred fifty".