20520020131301 has 2 divisors, whose sum is σ = 20520020131302. Its totient is φ = 20520020131300.

The previous prime is 20520020131267. The next prime is 20520020131307. The reversal of 20520020131301 is 10313102002502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14032148894401 + 6487871236900 = 3745951^2 + 2547130^2 .

It is a cyclic number.

It is not a de Polignac number, because 20520020131301 - 2³⁰ = 20518946389477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20520020131307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10260010065650 + 10260010065651.

It is an arithmetic number, because the mean of its divisors is an integer number (10260010065651).

Almost surely, 2^{20520020131301} is an apocalyptic number.

It is an amenable number.

20520020131301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20520020131301 is an equidigital number, since it uses as much as digits as its factorization.

20520020131301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20520020131301 its reverse (10313102002502), we get a palindrome (30833122133803).

The spelling of 20520020131301 in words is "twenty trillion, five hundred twenty billion, twenty million, one hundred thirty-one thousand, three hundred one".