2056220 has 12 divisors (see below), whose sum is σ = 4318104. Its totient is φ = 822480.

The previous prime is 2056211. The next prime is 2056247. The reversal of 2056220 is 226502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51386 + ... + 51425.

It is an arithmetic number, because the mean of its divisors is an integer number (359842).

2^2056220 is an apocalyptic number.

2056220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056220 is an abundant number, since it is smaller than the sum of its proper divisors (2261884).

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

2056220 is a wasteful number, since it uses less digits than its factorization.

2056220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102820 (or 102818 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2056220 is about 1433.9525794112. The cubic root of 2056220 is about 127.1617588722.

The spelling of 2056220 in words is "two million, fifty-six thousand, two hundred twenty".