6380220 has 96 divisors (see below), whose sum is σ = 22288896. Its totient is φ = 1324800.

The previous prime is 6380189. The next prime is 6380221. The reversal of 6380220 is 220836.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6380221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3930 + ... + 5310.

It is an arithmetic number, because the mean of its divisors is an integer number (232176).

Almost surely, 2^6380220 is an apocalyptic number.

6380220 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 6380220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11144448).

6380220 is an abundant number, since it is smaller than the sum of its proper divisors (15908676).

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

6380220 is a wasteful number, since it uses less digits than its factorization.

6380220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 6380220 is about 2525.9097371046. The cubic root of 6380220 is about 185.4720838155.

The spelling of 6380220 in words is "six million, three hundred eighty thousand, two hundred twenty".