6620001201 has 12 divisors (see below), whose sum is σ = 10431517200. Its totient is φ = 4012121880.

The previous prime is 6620001181. The next prime is 6620001209. The reversal of 6620001201 is 1021000266.

It is a happy number.

6620001201 is a `hidden beast` number, since 662 + 0 + 0 + 0 + 1 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 6620001201 - 2⁵ = 6620001169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6620001209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33434251 + ... + 33434448.

It is an arithmetic number, because the mean of its divisors is an integer number (869293100).

Almost surely, 2^6620001201 is an apocalyptic number.

It is an amenable number.

6620001201 is a deficient number, since it is larger than the sum of its proper divisors (3811515999).

6620001201 is a wasteful number, since it uses less digits than its factorization.

6620001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66868716 (or 66868713 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 6620001201 is about 81363.3898077016. The cubic root of 6620001201 is about 1877.6703829704.

Adding to 6620001201 its reverse (1021000266), we get a palindrome (7641001467).

The spelling of 6620001201 in words is "six billion, six hundred twenty million, one thousand, two hundred one".