20880710123705 has 8 divisors (see below), whose sum is σ = 25056946226112. Its totient is φ = 16704505380528.

The previous prime is 20880710123657. The next prime is 20880710123737. The reversal of 20880710123705 is 50732101708802.

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 20880710123705 - 2¹⁴ = 20880710107321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6349157 + ... + 9059426.

It is an arithmetic number, because the mean of its divisors is an integer number (3132118278264).

Almost surely, 2^{20880710123705} is an apocalyptic number.

It is an amenable number.

20880710123705 is a deficient number, since it is larger than the sum of its proper divisors (4176236102407).

20880710123705 is a wasteful number, since it uses less digits than its factorization.

20880710123705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15679615.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 20880710123705 in words is "twenty trillion, eight hundred eighty billion, seven hundred ten million, one hundred twenty-three thousand, seven hundred five".