20750004847 has 8 divisors (see below), whose sum is σ = 24377628240. Its totient is φ = 17412591360.

The previous prime is 20750004833. The next prime is 20750004871. The reversal of 20750004847 is 74840005702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20750004847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20750004887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72552322 + ... + 72552607.

It is an arithmetic number, because the mean of its divisors is an integer number (3047203530).

Almost surely, 2^20750004847 is an apocalyptic number.

20750004847 is a deficient number, since it is larger than the sum of its proper divisors (3627623393).

20750004847 is a wasteful number, since it uses less digits than its factorization.

20750004847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145104953.

The product of its (nonzero) digits is 62720, while the sum is 37.

The spelling of 20750004847 in words is "twenty billion, seven hundred fifty million, four thousand, eight hundred forty-seven".