20183386705 has 8 divisors (see below), whose sum is σ = 24281074152. Its totient is φ = 16106035968.

The previous prime is 20183386703. The next prime is 20183386711. The reversal of 20183386705 is 50768338102.

It can be written as a sum of positive squares in 4 ways, for example, as 6831353104 + 13352033601 = 82652^2 + 115551^2 .

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 20183386705 - 2¹ = 20183386703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20183386703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5081992 + ... + 5085961.

It is an arithmetic number, because the mean of its divisors is an integer number (3035134269).

Almost surely, 2^20183386705 is an apocalyptic number.

It is an amenable number.

20183386705 is a deficient number, since it is larger than the sum of its proper divisors (4097687447).

20183386705 is a wasteful number, since it uses less digits than its factorization.

20183386705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10168355.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 20183386705 in words is "twenty billion, one hundred eighty-three million, three hundred eighty-six thousand, seven hundred five".