20868727785283 has 8 divisors (see below), whose sum is σ = 23963007668480. Its totient is φ = 17802706166280.

The previous prime is 20868727785193. The next prime is 20868727785293. The reversal of 20868727785283 is 38258772786802.

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

It is not a de Polignac number, because 20868727785283 - 2⁹ = 20868727784771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20868727785293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7064564463 + ... + 7064567416.

It is an arithmetic number, because the mean of its divisors is an integer number (2995375958560).

Almost surely, 2^{20868727785283} is an apocalyptic number.

20868727785283 is a deficient number, since it is larger than the sum of its proper divisors (3094279883197).

20868727785283 is a wasteful number, since it uses less digits than its factorization.

20868727785283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14129132097.

The product of its (nonzero) digits is 1011548160, while the sum is 73.

The spelling of 20868727785283 in words is "twenty trillion, eight hundred sixty-eight billion, seven hundred twenty-seven million, seven hundred eighty-five thousand, two hundred eighty-three".