2055320 has 16 divisors (see below), whose sum is σ = 4624560. Its totient is φ = 822112.

The previous prime is 2055311. The next prime is 2055337. The reversal of 2055320 is 235502.

It is a super-3 number, since 3×2055320³ = 26047113330986304000, which contains 333 as substring.

It is an Ulam number.

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, 25652 + ... + 25731.

It is an arithmetic number, because the mean of its divisors is an integer number (289035).

2^2055320 is an apocalyptic number.

2055320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055320 is an abundant number, since it is smaller than the sum of its proper divisors (2569240).

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

2055320 is a wasteful number, since it uses less digits than its factorization.

2055320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51394 (or 51390 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 2055320 is about 1433.6387271555. The cubic root of 2055320 is about 127.1432034185.

The spelling of 2055320 in words is "two million, fifty-five thousand, three hundred twenty".