20830662270305 has 8 divisors (see below), whose sum is σ = 25218005297832. Its totient is φ = 16517056100608.

The previous prime is 20830662270289. The next prime is 20830662270317. The reversal of 20830662270305 is 50307226603802.

It can be written as a sum of positive squares in 4 ways, for example, as 3092818166881 + 17737844103424 = 1758641^2 + 4211632^2 .

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 20830662270305 - 2⁴ = 20830662270289 is a prime.

It is a Duffinian 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, 18434213834 + ... + 18434214963.

It is an arithmetic number, because the mean of its divisors is an integer number (3152250662229).

Almost surely, 2^{20830662270305} is an apocalyptic number.

It is an amenable number.

20830662270305 is a deficient number, since it is larger than the sum of its proper divisors (4387343027527).

20830662270305 is a wasteful number, since it uses less digits than its factorization.

20830662270305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36868428915.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 20830662270305 in words is "twenty trillion, eight hundred thirty billion, six hundred sixty-two million, two hundred seventy thousand, three hundred five".