6620062005 has 12 divisors (see below), whose sum is σ = 11474774220. Its totient is φ = 3530699712.

The previous prime is 6620061893. The next prime is 6620062049. The reversal of 6620062005 is 5002600266.

It can be written as a sum of positive squares in 2 ways, for example, as 5086399761 + 1533662244 = 71319^2 + 39162^2 .

It is not a de Polignac number, because 6620062005 - 2⁹ = 6620061493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6620062005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73556200 + ... + 73556289.

It is an arithmetic number, because the mean of its divisors is an integer number (956231185).

Almost surely, 2^6620062005 is an apocalyptic number.

It is an amenable number.

6620062005 is a deficient number, since it is larger than the sum of its proper divisors (4854712215).

6620062005 is a wasteful number, since it uses less digits than its factorization.

6620062005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147112500 (or 147112497 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 6620062005 is about 81363.7634638418. The cubic root of 6620062005 is about 1877.6761316864.

The spelling of 6620062005 in words is "six billion, six hundred twenty million, sixty-two thousand, five".