20679686283 has 16 divisors (see below), whose sum is σ = 27756934400. Its totient is φ = 13694539104.

The previous prime is 20679686267. The next prime is 20679686327. The reversal of 20679686283 is 38268697602.

It is a happy number.

It is not a de Polignac number, because 20679686283 - 2⁴ = 20679686267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20679686483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993618 + ... + 1014216.

It is an arithmetic number, because the mean of its divisors is an integer number (1734808400).

Almost surely, 2^20679686283 is an apocalyptic number.

20679686283 is a deficient number, since it is larger than the sum of its proper divisors (7077248117).

20679686283 is a wasteful number, since it uses less digits than its factorization.

20679686283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22818.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 20679686283 in words is "twenty billion, six hundred seventy-nine million, six hundred eighty-six thousand, two hundred eighty-three".