20475472727627 has 2 divisors, whose sum is σ = 20475472727628. Its totient is φ = 20475472727626.

The previous prime is 20475472727491. The next prime is 20475472727779. The reversal of 20475472727627 is 72672727457402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20475472727627 is a prime.

It is a super-2 number, since 2×20475472727627² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20475472727627.

It is not a weakly prime, because it can be changed into another prime (20475472726627) 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 as a sum of consecutive naturals, namely, 10237736363813 + 10237736363814.

It is an arithmetic number, because the mean of its divisors is an integer number (10237736363814).

Almost surely, 2^{20475472727627} is an apocalyptic number.

20475472727627 is a deficient number, since it is larger than the sum of its proper divisors (1).

20475472727627 is an equidigital number, since it uses as much as digits as its factorization.

20475472727627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129077760, while the sum is 62.

The spelling of 20475472727627 in words is "twenty trillion, four hundred seventy-five billion, four hundred seventy-two million, seven hundred twenty-seven thousand, six hundred twenty-seven".