20318102674783 has 8 divisors (see below), whose sum is σ = 20384973488880. Its totient is φ = 20251236329280.

The previous prime is 20318102674759. The next prime is 20318102674789. The reversal of 20318102674783 is 38747620181302.

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

It is a cyclic number.

It is not a de Polignac number, because 20318102674783 - 2²¹ = 20318100577631 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 20318102674783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20318102674789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8116923 + ... + 10320883.

It is an arithmetic number, because the mean of its divisors is an integer number (2548121686110).

Almost surely, 2^{20318102674783} is an apocalyptic number.

20318102674783 is a deficient number, since it is larger than the sum of its proper divisors (66870814097).

20318102674783 is a wasteful number, since it uses less digits than its factorization.

20318102674783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234297.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 20318102674783 in words is "twenty trillion, three hundred eighteen billion, one hundred two million, six hundred seventy-four thousand, seven hundred eighty-three".