20857110080201 has 4 divisors (see below), whose sum is σ = 20934073586304. Its totient is φ = 20780146574100.

The previous prime is 20857110080179. The next prime is 20857110080263. The reversal of 20857110080201 is 10208001175802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20857110080201 - 2⁶ = 20857110080137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20857110080281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38481752645 + ... + 38481753186.

It is an arithmetic number, because the mean of its divisors is an integer number (5233518396576).

Almost surely, 2^{20857110080201} is an apocalyptic number.

It is an amenable number.

20857110080201 is a deficient number, since it is larger than the sum of its proper divisors (76963506103).

20857110080201 is an equidigital number, since it uses as much as digits as its factorization.

20857110080201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76963506102.

The product of its (nonzero) digits is 8960, while the sum is 35.

The spelling of 20857110080201 in words is "twenty trillion, eight hundred fifty-seven billion, one hundred ten million, eighty thousand, two hundred one".