20373505183 has 2 divisors, whose sum is σ = 20373505184. Its totient is φ = 20373505182.

The previous prime is 20373505157. The next prime is 20373505199. The reversal of 20373505183 is 38150537302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20373505183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20373505153) 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 as a sum of consecutive naturals, namely, 10186752591 + 10186752592.

It is an arithmetic number, because the mean of its divisors is an integer number (10186752592).

Almost surely, 2^20373505183 is an apocalyptic number.

20373505183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20373505183 is an equidigital number, since it uses as much as digits as its factorization.

20373505183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 20373505183 in words is "twenty billion, three hundred seventy-three million, five hundred five thousand, one hundred eighty-three".