2558020 has 24 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 1009632.

The previous prime is 2558011. The next prime is 2558021. The reversal of 2558020 is 208552.

2558020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2557982 and 2558000.

It is not an unprimeable number, because it can be changed into a prime (2558021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771 + ... + 2389.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

2^2558020 is an apocalyptic number.

2558020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2558020 is an abundant number, since it is smaller than the sum of its proper divisors (2885180).

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

2558020 is a wasteful number, since it uses less digits than its factorization.

2558020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2558020 is about 1599.3811303126. The cubic root of 2558020 is about 136.7627983837.

It can be divided in two parts, 25580 and 20, that added together give a square (25600 = 160²).

The spelling of 2558020 in words is "two million, five hundred fifty-eight thousand, twenty".