20710184379 has 4 divisors (see below), whose sum is σ = 27613579176. Its totient is φ = 13806789584.

The previous prime is 20710184333. The next prime is 20710184401. The reversal of 20710184379 is 97348101702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20710184379 - 2⁹ = 20710183867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20710184379.

It is not an unprimeable number, because it can be changed into a prime (20710184309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451697394 + ... + 3451697399.

It is an arithmetic number, because the mean of its divisors is an integer number (6903394794).

Almost surely, 2^20710184379 is an apocalyptic number.

20710184379 is a deficient number, since it is larger than the sum of its proper divisors (6903394797).

20710184379 is an equidigital number, since it uses as much as digits as its factorization.

20710184379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903394796.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 20710184379 in words is "twenty billion, seven hundred ten million, one hundred eighty-four thousand, three hundred seventy-nine".