18020248668026 has 16 divisors (see below), whose sum is σ = 29499293625120. Its totient is φ = 8187796014480.

The previous prime is 18020248668007. The next prime is 18020248668043. The reversal of 18020248668026 is 62086684202081.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161248241 + ... + 161359956.

It is an arithmetic number, because the mean of its divisors is an integer number (1843705851570).

Almost surely, 2^{18020248668026} is an apocalyptic number.

18020248668026 is a deficient number, since it is larger than the sum of its proper divisors (11479044957094).

18020248668026 is a wasteful number, since it uses less digits than its factorization.

18020248668026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322610749.

The product of its (nonzero) digits is 3538944, while the sum is 53.

The spelling of 18020248668026 in words is "eighteen trillion, twenty billion, two hundred forty-eight million, six hundred sixty-eight thousand, twenty-six".