20532852479941 has 2 divisors, whose sum is σ = 20532852479942. Its totient is φ = 20532852479940.

The previous prime is 20532852479917. The next prime is 20532852480001. The reversal of 20532852479941 is 14997425823502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12943653957441 + 7589198522500 = 3597729^2 + 2754850^2 .

It is a cyclic number.

It is not a de Polignac number, because 20532852479941 - 2¹⁹ = 20532851955653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20532852479941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20532852479641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10266426239970 + 10266426239971.

It is an arithmetic number, because the mean of its divisors is an integer number (10266426239971).

Almost surely, 2^{20532852479941} is an apocalyptic number.

It is an amenable number.

20532852479941 is a deficient number, since it is larger than the sum of its proper divisors (1).

20532852479941 is an equidigital number, since it uses as much as digits as its factorization.

20532852479941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 20532852479941 in words is "twenty trillion, five hundred thirty-two billion, eight hundred fifty-two million, four hundred seventy-nine thousand, nine hundred forty-one".