20536883413 has 2 divisors, whose sum is σ = 20536883414. Its totient is φ = 20536883412.

The previous prime is 20536883363. The next prime is 20536883417. The reversal of 20536883413 is 31438863502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19903002084 + 633881329 = 141078^2 + 25177^2 .

It is a cyclic number.

It is not a de Polignac number, because 20536883413 - 2¹³ = 20536875221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20536883413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20536883417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10268441706 + 10268441707.

It is an arithmetic number, because the mean of its divisors is an integer number (10268441707).

Almost surely, 2^20536883413 is an apocalyptic number.

It is an amenable number.

20536883413 is a deficient number, since it is larger than the sum of its proper divisors (1).

20536883413 is an equidigital number, since it uses as much as digits as its factorization.

20536883413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 20536883413 in words is "twenty billion, five hundred thirty-six million, eight hundred eighty-three thousand, four hundred thirteen".