20525432521301 has 2 divisors, whose sum is σ = 20525432521302. Its totient is φ = 20525432521300.

The previous prime is 20525432521229. The next prime is 20525432521313. The reversal of 20525432521301 is 10312523452502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19577740006276 + 947692515025 = 4424674^2 + 973495^2 .

It is a cyclic number.

It is not a de Polignac number, because 20525432521301 - 2³⁴ = 20508252652117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20525432521361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10262716260650 + 10262716260651.

It is an arithmetic number, because the mean of its divisors is an integer number (10262716260651).

Almost surely, 2^{20525432521301} is an apocalyptic number.

It is an amenable number.

20525432521301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20525432521301 is an equidigital number, since it uses as much as digits as its factorization.

20525432521301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 20525432521301 its reverse (10312523452502), we get a palindrome (30837955973803).

The spelling of 20525432521301 in words is "twenty trillion, five hundred twenty-five billion, four hundred thirty-two million, five hundred twenty-one thousand, three hundred one".