6309020 has 12 divisors (see below), whose sum is σ = 13248984. Its totient is φ = 2523600.

The previous prime is 6309013. The next prime is 6309031. The reversal of 6309020 is 209036.

It is a happy number.

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: 315451 = 6309020 / (6 + 3 + 0 + 9 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 6308983 and 6309001.

It is a congruent number.

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, 157706 + ... + 157745.

It is an arithmetic number, because the mean of its divisors is an integer number (1104082).

Almost surely, 2^6309020 is an apocalyptic number.

It is an amenable number.

6309020 is an abundant number, since it is smaller than the sum of its proper divisors (6939964).

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

6309020 is a wasteful number, since it uses less digits than its factorization.

6309020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315460 (or 315458 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 6309020 is about 2511.7762639216. The cubic root of 6309020 is about 184.7795767739.

The spelling of 6309020 in words is "six million, three hundred nine thousand, twenty".