6426020 has 12 divisors (see below), whose sum is σ = 13494684. Its totient is φ = 2570400.

The previous prime is 6426019. The next prime is 6426041. The reversal of 6426020 is 206246.

It can be written as a sum of positive squares in 2 ways, for example, as 2951524 + 3474496 = 1718^2 + 1864^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 321301 = 6426020 / (6 + 4 + 2 + 6 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 6425983 and 6426001.

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, 160631 + ... + 160670.

It is an arithmetic number, because the mean of its divisors is an integer number (1124557).

Almost surely, 2^6426020 is an apocalyptic number.

It is an amenable number.

6426020 is an abundant number, since it is smaller than the sum of its proper divisors (7068664).

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

6426020 is a wasteful number, since it uses less digits than its factorization.

6426020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321310 (or 321308 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 6426020 is about 2534.9595657525. The cubic root of 6426020 is about 185.9148259195.

The spelling of 6426020 in words is "six million, four hundred twenty-six thousand, twenty".