20536880363 has 2 divisors, whose sum is σ = 20536880364. Its totient is φ = 20536880362.

The previous prime is 20536880359. The next prime is 20536880459. The reversal of 20536880363 is 36308863502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20536880363 - 2² = 20536880359 is a prime.

It is not a weakly prime, because it can be changed into another prime (20536882363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10268440181 + 10268440182.

It is an arithmetic number, because the mean of its divisors is an integer number (10268440182).

Almost surely, 2^20536880363 is an apocalyptic number.

20536880363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20536880363 is an equidigital number, since it uses as much as digits as its factorization.

20536880363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 20536880363 in words is "twenty billion, five hundred thirty-six million, eight hundred eighty thousand, three hundred sixty-three".