2016220 has 12 divisors (see below), whose sum is σ = 4234104. Its totient is φ = 806480.

The previous prime is 2016211. The next prime is 2016239. The reversal of 2016220 is 226102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2016220.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 50386 + ... + 50425.

It is an arithmetic number, because the mean of its divisors is an integer number (352842).

2^2016220 is an apocalyptic number.

2016220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2016220 is an abundant number, since it is smaller than the sum of its proper divisors (2217884).

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

2016220 is a wasteful number, since it uses less digits than its factorization.

2016220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100820 (or 100818 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2016220 is about 1419.9366183038. The cubic root of 2016220 is about 126.3317870211.

The spelling of 2016220 in words is "two million, sixteen thousand, two hundred twenty".