20535214105 has 8 divisors (see below), whose sum is σ = 28162579392. Its totient is φ = 14081289648.

The previous prime is 20535214097. The next prime is 20535214181. The reversal of 20535214105 is 50141253502.

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 20535214105 - 2³ = 20535214097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293360167 + ... + 293360236.

It is an arithmetic number, because the mean of its divisors is an integer number (3520322424).

Almost surely, 2^20535214105 is an apocalyptic number.

It is an amenable number.

20535214105 is a deficient number, since it is larger than the sum of its proper divisors (7627365287).

20535214105 is an equidigital number, since it uses as much as digits as its factorization.

20535214105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586720415.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 20535214105 its reverse (50141253502), we get a palindrome (70676467607).

The spelling of 20535214105 in words is "twenty billion, five hundred thirty-five million, two hundred fourteen thousand, one hundred five".