20352150506447 has 2 divisors, whose sum is σ = 20352150506448. Its totient is φ = 20352150506446.

The previous prime is 20352150506417. The next prime is 20352150506473. The reversal of 20352150506447 is 74460505125302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20352150506447 - 2¹⁶ = 20352150440911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20352150506398 and 20352150506407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20352150506417) 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, 10176075253223 + 10176075253224.

It is an arithmetic number, because the mean of its divisors is an integer number (10176075253224).

Almost surely, 2^{20352150506447} is an apocalyptic number.

20352150506447 is a deficient number, since it is larger than the sum of its proper divisors (1).

20352150506447 is an equidigital number, since it uses as much as digits as its factorization.

20352150506447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 20352150506447 in words is "twenty trillion, three hundred fifty-two billion, one hundred fifty million, five hundred six thousand, four hundred forty-seven".