6620200001 has 16 divisors (see below), whose sum is σ = 7001467200. Its totient is φ = 6242299200.

The previous prime is 6620199997. The next prime is 6620200007. The reversal of 6620200001 is 1000020266.

It is a cyclic number.

It is not a de Polignac number, because 6620200001 - 2² = 6620199997 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6067466 + ... + 6068556.

It is an arithmetic number, because the mean of its divisors is an integer number (437591700).

Almost surely, 2^6620200001 is an apocalyptic number.

It is an amenable number.

6620200001 is a deficient number, since it is larger than the sum of its proper divisors (381267199).

6620200001 is a wasteful number, since it uses less digits than its factorization.

6620200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 6620200001 is about 81364.6114782096. The cubic root of 6620200001 is about 1877.6891783917.

Adding to 6620200001 its reverse (1000020266), we get a palindrome (7620220267).

The spelling of 6620200001 in words is "six billion, six hundred twenty million, two hundred thousand, one".