2600020 has 24 divisors (see below), whose sum is σ = 5539968. Its totient is φ = 1024800.

The previous prime is 2600011. The next prime is 2600033. The reversal of 2600020 is 200062.

It is a happy number.

2600020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505 + ... + 2335.

It is an arithmetic number, because the mean of its divisors is an integer number (230832).

2^2600020 is an apocalyptic number.

2600020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2600020 is an abundant number, since it is smaller than the sum of its proper divisors (2939948).

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

2600020 is a wasteful number, since it uses less digits than its factorization.

2600020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2600020 is about 1612.4577513845. The cubic root of 2600020 is about 137.5072392883.

Adding to 2600020 its reverse (200062), we get a palindrome (2800082).

The spelling of 2600020 in words is "two million, six hundred thousand, twenty".