6628020 has 96 divisors (see below), whose sum is σ = 21762048. Its totient is φ = 1475712.

The previous prime is 6628007. The next prime is 6628033. The reversal of 6628020 is 208266.

It is an interprime number because it is at equal distance from previous prime (6628007) and next prime (6628033).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17877 + ... + 18243.

It is an arithmetic number, because the mean of its divisors is an integer number (226688).

Almost surely, 2^6628020 is an apocalyptic number.

6628020 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 6628020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10881024).

6628020 is an abundant number, since it is smaller than the sum of its proper divisors (15134028).

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

6628020 is a wasteful number, since it uses less digits than its factorization.

6628020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 6628020 is about 2574.4941250661. The cubic root of 6628020 is about 187.8428216977.

The spelling of 6628020 in words is "six million, six hundred twenty-eight thousand, twenty".