20053523320529 has 2 divisors, whose sum is σ = 20053523320530. Its totient is φ = 20053523320528.

The previous prime is 20053523320517. The next prime is 20053523320541. The reversal of 20053523320529 is 92502332535002.

It is a balanced prime because it is at equal distance from previous prime (20053523320517) and next prime (20053523320541).

It can be written as a sum of positive squares in only one way, i.e., 18746068286929 + 1307455033600 = 4329673^2 + 1143440^2 .

It is a cyclic number.

It is not a de Polignac number, because 20053523320529 - 2⁴ = 20053523320513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20053523323529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10026761660264 + 10026761660265.

It is an arithmetic number, because the mean of its divisors is an integer number (10026761660265).

Almost surely, 2^{20053523320529} is an apocalyptic number.

It is an amenable number.

20053523320529 is a deficient number, since it is larger than the sum of its proper divisors (1).

20053523320529 is an equidigital number, since it uses as much as digits as its factorization.

20053523320529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 20053523320529 in words is "twenty trillion, fifty-three billion, five hundred twenty-three million, three hundred twenty thousand, five hundred twenty-nine".