20530554034363 has 2 divisors, whose sum is σ = 20530554034364. Its totient is φ = 20530554034362.

The previous prime is 20530554034351. The next prime is 20530554034387. The reversal of 20530554034363 is 36343045503502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20530554034363 is a prime.

It is not a weakly prime, because it can be changed into another prime (20530554034763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10265277017181 + 10265277017182.

It is an arithmetic number, because the mean of its divisors is an integer number (10265277017182).

Almost surely, 2^{20530554034363} is an apocalyptic number.

20530554034363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20530554034363 is an equidigital number, since it uses as much as digits as its factorization.

20530554034363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 43.

Adding to 20530554034363 its reverse (36343045503502), we get a palindrome (56873599537865).

The spelling of 20530554034363 in words is "twenty trillion, five hundred thirty billion, five hundred fifty-four million, thirty-four thousand, three hundred sixty-three".