6620270015 has 8 divisors (see below), whose sum is σ = 8094217248. Its totient is φ = 5196287200.

The previous prime is 6620270009. The next prime is 6620270051. The reversal of 6620270015 is 5100720266.

6620270015 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6620270015 - 2²⁶ = 6553161151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6620270015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12490811 + ... + 12491340.

It is an arithmetic number, because the mean of its divisors is an integer number (1011777156).

Almost surely, 2^6620270015 is an apocalyptic number.

6620270015 is a deficient number, since it is larger than the sum of its proper divisors (1473947233).

6620270015 is a wasteful number, since it uses less digits than its factorization.

6620270015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24982209.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 6620270015 is about 81365.0417255470. The cubic root of 6620270015 is about 1877.6957977319.

The spelling of 6620270015 in words is "six billion, six hundred twenty million, two hundred seventy thousand, fifteen".