20585903675 has 12 divisors (see below), whose sum is σ = 26216427696. Its totient is φ = 16023621600.

The previous prime is 20585903671. The next prime is 20585903711. The reversal of 20585903675 is 57630958502.

It is not a de Polignac number, because 20585903675 - 2² = 20585903671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20585903671) 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 in 11 ways as a sum of consecutive naturals, for example, 11126591 + ... + 11128440.

It is an arithmetic number, because the mean of its divisors is an integer number (2184702308).

Almost surely, 2^20585903675 is an apocalyptic number.

20585903675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20585903675 is a deficient number, since it is larger than the sum of its proper divisors (5630524021).

20585903675 is a wasteful number, since it uses less digits than its factorization.

20585903675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22255078 (or 22255073 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 20585903675 in words is "twenty billion, five hundred eighty-five million, nine hundred three thousand, six hundred seventy-five".