20312625060181 has 2 divisors, whose sum is σ = 20312625060182. Its totient is φ = 20312625060180.

The previous prime is 20312625060131. The next prime is 20312625060227. The reversal of 20312625060181 is 18106052621302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20223143910225 + 89481149956 = 4497015^2 + 299134^2 .

It is a cyclic number.

It is not a de Polignac number, because 20312625060181 - 2¹¹ = 20312625058133 is a prime.

It is a super-2 number, since 2×20312625060181² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20312625060181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20312625060131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156312530090 + 10156312530091.

It is an arithmetic number, because the mean of its divisors is an integer number (10156312530091).

Almost surely, 2^{20312625060181} is an apocalyptic number.

It is an amenable number.

20312625060181 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312625060181 is an equidigital number, since it uses as much as digits as its factorization.

20312625060181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

Adding to 20312625060181 its reverse (18106052621302), we get a palindrome (38418677681483).

The spelling of 20312625060181 in words is "twenty trillion, three hundred twelve billion, six hundred twenty-five million, sixty thousand, one hundred eighty-one".