6664260020 has 48 divisors (see below), whose sum is σ = 15278760000. Its totient is φ = 2421534720.

The previous prime is 6664260017. The next prime is 6664260023. The reversal of 6664260020 is 200624666.

It is an interprime number because it is at equal distance from previous prime (6664260017) and next prime (6664260023).

It is a super-2 number, since 2×6664260020² = 88824723228340800800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6664260023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299231 + ... + 320729.

It is an arithmetic number, because the mean of its divisors is an integer number (318307500).

Almost surely, 2^6664260020 is an apocalyptic number.

It is an amenable number.

6664260020 is an abundant number, since it is smaller than the sum of its proper divisors (8614499980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6664260020 is a wasteful number, since it uses less digits than its factorization.

6664260020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22928 (or 22926 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6664260020 is about 81634.9191216602. The cubic root of 6664260020 is about 1881.8455563822.

Adding to 6664260020 its reverse (200624666), we get a palindrome (6864884686).

The spelling of 6664260020 in words is "six billion, six hundred sixty-four million, two hundred sixty thousand, twenty".