20536883417 has 2 divisors, whose sum is σ = 20536883418. Its totient is φ = 20536883416.

The previous prime is 20536883413. The next prime is 20536883447. The reversal of 20536883417 is 71438863502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20305965001 + 230918416 = 142499^2 + 15196^2 .

It is a cyclic number.

It is not a de Polignac number, because 20536883417 - 2² = 20536883413 is a prime.

It is not a weakly prime, because it can be changed into another prime (20536883413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10268441708 + 10268441709.

It is an arithmetic number, because the mean of its divisors is an integer number (10268441709).

Almost surely, 2^20536883417 is an apocalyptic number.

It is an amenable number.

20536883417 is a deficient number, since it is larger than the sum of its proper divisors (1).

20536883417 is an equidigital number, since it uses as much as digits as its factorization.

20536883417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 20536883417 in words is "twenty billion, five hundred thirty-six million, eight hundred eighty-three thousand, four hundred seventeen".