20601032704121 has 2 divisors, whose sum is σ = 20601032704122. Its totient is φ = 20601032704120.

The previous prime is 20601032703989. The next prime is 20601032704229. The reversal of 20601032704121 is 12140723010602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20601032234896 + 469225 = 4538836^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 20601032704121 - 2²⁶ = 20600965595257 is a prime.

It is not a weakly prime, because it can be changed into another prime (20601032704321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10300516352060 + 10300516352061.

It is an arithmetic number, because the mean of its divisors is an integer number (10300516352061).

Almost surely, 2^{20601032704121} is an apocalyptic number.

It is an amenable number.

20601032704121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20601032704121 is an equidigital number, since it uses as much as digits as its factorization.

20601032704121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 20601032704121 its reverse (12140723010602), we get a palindrome (32741755714723).

The spelling of 20601032704121 in words is "twenty trillion, six hundred one billion, thirty-two million, seven hundred four thousand, one hundred twenty-one".