20252022277447 has 2 divisors, whose sum is σ = 20252022277448. Its totient is φ = 20252022277446.

The previous prime is 20252022277439. The next prime is 20252022277609. The reversal of 20252022277447 is 74477222025202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20252022277447 - 2³ = 20252022277439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20252022277397 and 20252022277406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20252022277147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10126011138723 + 10126011138724.

It is an arithmetic number, because the mean of its divisors is an integer number (10126011138724).

Almost surely, 2^{20252022277447} is an apocalyptic number.

20252022277447 is a deficient number, since it is larger than the sum of its proper divisors (1).

20252022277447 is an equidigital number, since it uses as much as digits as its factorization.

20252022277447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1756160, while the sum is 46.

The spelling of 20252022277447 in words is "twenty trillion, two hundred fifty-two billion, twenty-two million, two hundred seventy-seven thousand, four hundred forty-seven".