20475472727753 has 4 divisors (see below), whose sum is σ = 20475483334020. Its totient is φ = 20475462121488.

The previous prime is 20475472727627. The next prime is 20475472727779. The reversal of 20475472727753 is 35772727457402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6831255186889 + 13644217540864 = 2613667^2 + 3693808^2 .

It is a cyclic number.

It is not a de Polignac number, because 20475472727753 - 2¹⁰ = 20475472726729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20475472724753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496618 + ... + 6571971.

It is an arithmetic number, because the mean of its divisors is an integer number (5118870833505).

Almost surely, 2^{20475472727753} is an apocalyptic number.

It is an amenable number.

20475472727753 is a deficient number, since it is larger than the sum of its proper divisors (10606267).

20475472727753 is an equidigital number, since it uses as much as digits as its factorization.

20475472727753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10606266.

The product of its (nonzero) digits is 161347200, while the sum is 62.

The spelling of 20475472727753 in words is "twenty trillion, four hundred seventy-five billion, four hundred seventy-two million, seven hundred twenty-seven thousand, seven hundred fifty-three".