20476527413 has 2 divisors, whose sum is σ = 20476527414. Its totient is φ = 20476527412.

The previous prime is 20476527403. The next prime is 20476527427. The reversal of 20476527413 is 31472567402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18839758564 + 1636768849 = 137258^2 + 40457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20476527413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20476527403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10238263706 + 10238263707.

It is an arithmetic number, because the mean of its divisors is an integer number (10238263707).

Almost surely, 2^20476527413 is an apocalyptic number.

It is an amenable number.

20476527413 is a deficient number, since it is larger than the sum of its proper divisors (1).

20476527413 is an equidigital number, since it uses as much as digits as its factorization.

20476527413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 20476527413 in words is "twenty billion, four hundred seventy-six million, five hundred twenty-seven thousand, four hundred thirteen".