20352150506417 has 2 divisors, whose sum is σ = 20352150506418. Its totient is φ = 20352150506416.

The previous prime is 20352150506399. The next prime is 20352150506447. The reversal of 20352150506417 is 71460505125302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20023826090401 + 328324416016 = 4474799^2 + 572996^2 .

It is a cyclic number.

It is not a de Polignac number, because 20352150506417 - 2⁸ = 20352150506161 is a prime.

It is not a weakly prime, because it can be changed into another prime (20352150506447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176075253208 + 10176075253209.

It is an arithmetic number, because the mean of its divisors is an integer number (10176075253209).

Almost surely, 2^{20352150506417} is an apocalyptic number.

It is an amenable number.

20352150506417 is a deficient number, since it is larger than the sum of its proper divisors (1).

20352150506417 is an equidigital number, since it uses as much as digits as its factorization.

20352150506417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 20352150506417 in words is "twenty trillion, three hundred fifty-two billion, one hundred fifty million, five hundred six thousand, four hundred seventeen".