2255020 has 24 divisors (see below), whose sum is σ = 4775904. Its totient is φ = 894336.

The previous prime is 2255009. The next prime is 2255021. The reversal of 2255020 is 205522.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2254985 and 2255003.

It is not an unprimeable number, because it can be changed into a prime (2255021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329 + ... + 3151.

It is an arithmetic number, because the mean of its divisors is an integer number (198996).

2^2255020 is an apocalyptic number.

2255020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2255020 is an abundant number, since it is smaller than the sum of its proper divisors (2520884).

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

2255020 is a wasteful number, since it uses less digits than its factorization.

2255020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2255020 is about 1501.6724010249. The cubic root of 2255020 is about 131.1344500782.

The spelling of 2255020 in words is "two million, two hundred fifty-five thousand, twenty".