20752695525073 has 2 divisors, whose sum is σ = 20752695525074. Its totient is φ = 20752695525072.

The previous prime is 20752695525017. The next prime is 20752695525083. The reversal of 20752695525073 is 37052559625702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11508493101889 + 9244202423184 = 3392417^2 + 3040428^2 .

It is a cyclic number.

It is not a de Polignac number, because 20752695525073 - 2³⁷ = 20615256571601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20752695524999 and 20752695525017.

It is not a weakly prime, because it can be changed into another prime (20752695525083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10376347762536 + 10376347762537.

It is an arithmetic number, because the mean of its divisors is an integer number (10376347762537).

Almost surely, 2^{20752695525073} is an apocalyptic number.

It is an amenable number.

20752695525073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20752695525073 is an equidigital number, since it uses as much as digits as its factorization.

20752695525073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690000, while the sum is 58.

The spelling of 20752695525073 in words is "twenty trillion, seven hundred fifty-two billion, six hundred ninety-five million, five hundred twenty-five thousand, seventy-three".