2055920 has 40 divisors (see below), whose sum is σ = 4940160. Its totient is φ = 794880.

The previous prime is 2055917. The next prime is 2055953. The reversal of 2055920 is 295502.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 2066 + ... + 2894.

It is an arithmetic number, because the mean of its divisors is an integer number (123504).

2^2055920 is an apocalyptic number.

2055920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2055920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2470080).

2055920 is an abundant number, since it is smaller than the sum of its proper divisors (2884240).

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

2055920 is a wasteful number, since it uses less digits than its factorization.

2055920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2055920 is about 1433.8479696258. The cubic root of 2055920 is about 127.1555743227.

The spelling of 2055920 in words is "two million, fifty-five thousand, nine hundred twenty".