6620223311001 has 16 divisors (see below), whose sum is σ = 9815162771520. Its totient is φ = 4410141167520.

The previous prime is 6620223310879. The next prime is 6620223311003. The reversal of 6620223311001 is 1001133220266.

6620223311001 is a `hidden beast` number, since 6 + 620 + 2 + 2 + 3 + 31 + 1 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 6620223311001 - 2⁷ = 6620223310873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6620223311003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92770335 + ... + 92841668.

It is an arithmetic number, because the mean of its divisors is an integer number (613447673220).

Almost surely, 2^{6620223311001} is an apocalyptic number.

It is an amenable number.

6620223311001 is a deficient number, since it is larger than the sum of its proper divisors (3194939460519).

6620223311001 is a wasteful number, since it uses less digits than its factorization.

6620223311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185613333 (or 185613327 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 6620223311001 its reverse (1001133220266), we get a palindrome (7621356531267).

The spelling of 6620223311001 in words is "six trillion, six hundred twenty billion, two hundred twenty-three million, three hundred eleven thousand, one".