6220020 has 48 divisors (see below), whose sum is σ = 17640000. Its totient is φ = 1637376.

The previous prime is 6220003. The next prime is 6220043. The reversal of 6220020 is 200226.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 6219978 and 6220005.

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, 4356 + ... + 5604.

It is an arithmetic number, because the mean of its divisors is an integer number (367500).

Almost surely, 2^6220020 is an apocalyptic number.

6220020 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 6220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8820000).

6220020 is an abundant number, since it is smaller than the sum of its proper divisors (11419980).

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

6220020 is a wasteful number, since it uses less digits than its factorization.

6220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 6220020 is about 2493.9967922995. The cubic root of 6220020 is about 183.9065767073.

Adding to 6220020 its reverse (200226), we get a palindrome (6420246).

The spelling of 6220020 in words is "six million, two hundred twenty thousand, twenty".