20679100558009 has 8 divisors (see below), whose sum is σ = 20707817739840. Its totient is φ = 20650385757456.

The previous prime is 20679100557889. The next prime is 20679100558043. The reversal of 20679100558009 is 90085500197602.

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 20679100558009 - 2⁷ = 20679100557881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20679100553009) 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, 17151654 + ... + 18317680.

It is an arithmetic number, because the mean of its divisors is an integer number (2588477217480).

Almost surely, 2^{20679100558009} is an apocalyptic number.

It is an amenable number.

20679100558009 is a deficient number, since it is larger than the sum of its proper divisors (28717181831).

20679100558009 is a wasteful number, since it uses less digits than its factorization.

20679100558009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190639.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 20679100558009 in words is "twenty trillion, six hundred seventy-nine billion, one hundred million, five hundred fifty-eight thousand, nine".