8668020 has 48 divisors (see below), whose sum is σ = 24615360. Its totient is φ = 2278656.

The previous prime is 8668001. The next prime is 8668031. The reversal of 8668020 is 208668.

8668020 = T₂₆₉ + T₂₇₀ + ... + T₄₁₄.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3391 + ... + 5369.

It is an arithmetic number, because the mean of its divisors is an integer number (512820).

Almost surely, 2^8668020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8668020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12307680).

8668020 is an abundant number, since it is smaller than the sum of its proper divisors (15947340).

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

8668020 is a wasteful number, since it uses less digits than its factorization.

8668020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064 (or 2062 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8668020 is about 2944.1501320415. The cubic root of 8668020 is about 205.4186961185.

The spelling of 8668020 in words is "eight million, six hundred sixty-eight thousand, twenty".