6620200000 has 168 divisors, whose sum is σ = 16667683200. Its totient is φ = 2608320000.

The previous prime is 6620199997. The next prime is 6620200007. The reversal of 6620200000 is 20266.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (6620200007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15799791 + ... + 15800209.

It is an arithmetic number, because the mean of its divisors is an integer number (99212400).

Almost surely, 2^6620200000 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 6620200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8333841600).

6620200000 is an abundant number, since it is smaller than the sum of its proper divisors (10047483200).

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

6620200000 is an frugal number, since it uses more digits than its factorization.

6620200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6620200000 is about 81364.6114720644. The cubic root of 6620200000 is about 1877.6891782972.

Adding to 6620200000 its reverse (20266), we get a palindrome (6620220266).

The spelling of 6620200000 in words is "six billion, six hundred twenty million, two hundred thousand".