20068798105147 has 8 divisors (see below), whose sum is σ = 22599467661312. Its totient is φ = 17655834109800.

The previous prime is 20068798105141. The next prime is 20068798105163. The reversal of 20068798105147 is 74150189786002.

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

It is not a de Polignac number, because 20068798105147 - 2¹⁹ = 20068797580859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20068798105091 and 20068798105100.

It is not an unprimeable number, because it can be changed into a prime (20068798105141) 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 7 ways as a sum of consecutive naturals, for example, 29426389843 + ... + 29426390524.

It is an arithmetic number, because the mean of its divisors is an integer number (2824933457664).

Almost surely, 2^{20068798105147} is an apocalyptic number.

20068798105147 is a deficient number, since it is larger than the sum of its proper divisors (2530669556165).

20068798105147 is a wasteful number, since it uses less digits than its factorization.

20068798105147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58852780409.

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 20068798105147 in words is "twenty trillion, sixty-eight billion, seven hundred ninety-eight million, one hundred five thousand, one hundred forty-seven".