20869708195 has 8 divisors (see below), whose sum is σ = 28621314144. Its totient is φ = 14310657024.

The previous prime is 20869708169. The next prime is 20869708199. The reversal of 20869708195 is 59180796802.

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 20869708195 - 2²³ = 20861319587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20869708199) 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, 298138654 + ... + 298138723.

It is an arithmetic number, because the mean of its divisors is an integer number (3577664268).

Almost surely, 2^20869708195 is an apocalyptic number.

20869708195 is a deficient number, since it is larger than the sum of its proper divisors (7751605949).

20869708195 is an equidigital number, since it uses as much as digits as its factorization.

20869708195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596277389.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 20869708195 in words is "twenty billion, eight hundred sixty-nine million, seven hundred eight thousand, one hundred ninety-five".