6109020 has 84 divisors (see below), whose sum is σ = 19280520. Its totient is φ = 1625184.

The previous prime is 6109009. The next prime is 6109021. The reversal of 6109020 is 209016.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 6108984 and 6109002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6109021) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14371 + ... + 14789.

It is an arithmetic number, because the mean of its divisors is an integer number (229530).

Almost surely, 2^6109020 is an apocalyptic number.

6109020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6109020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9640260).

6109020 is an abundant number, since it is smaller than the sum of its proper divisors (13171500).

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

6109020 is a wasteful number, since it uses less digits than its factorization.

6109020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 6109020 is about 2471.6431781307. The cubic root of 6109020 is about 182.8060293568.

6109020 divided by its product of nonzero digits (108) gives a palindrome (56565).

The spelling of 6109020 in words is "six million, one hundred nine thousand, twenty".