20365222105 has 8 divisors (see below), whose sum is σ = 25724491200. Its totient is φ = 15434694576.

The previous prime is 20365222079. The next prime is 20365222117. The reversal of 20365222105 is 50122256302.

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 20365222105 - 2⁹ = 20365221593 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 107185285 + ... + 107185474.

It is an arithmetic number, because the mean of its divisors is an integer number (3215561400).

Almost surely, 2^20365222105 is an apocalyptic number.

It is an amenable number.

20365222105 is a deficient number, since it is larger than the sum of its proper divisors (5359269095).

20365222105 is a wasteful number, since it uses less digits than its factorization.

20365222105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214370783.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 20365222105 its reverse (50122256302), we get a palindrome (70487478407).

The spelling of 20365222105 in words is "twenty billion, three hundred sixty-five million, two hundred twenty-two thousand, one hundred five".