20534655534383 has 2 divisors, whose sum is σ = 20534655534384. Its totient is φ = 20534655534382.

The previous prime is 20534655534353. The next prime is 20534655534443. The reversal of 20534655534383 is 38343555643502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20534655534383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20534655534353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10267327767191 + 10267327767192.

It is an arithmetic number, because the mean of its divisors is an integer number (10267327767192).

Almost surely, 2^{20534655534383} is an apocalyptic number.

20534655534383 is a deficient number, since it is larger than the sum of its proper divisors (1).

20534655534383 is an equidigital number, since it uses as much as digits as its factorization.

20534655534383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760000, while the sum is 56.

The spelling of 20534655534383 in words is "twenty trillion, five hundred thirty-four billion, six hundred fifty-five million, five hundred thirty-four thousand, three hundred eighty-three".