20825199271 has 2 divisors, whose sum is σ = 20825199272. Its totient is φ = 20825199270.

The previous prime is 20825199259. The next prime is 20825199289. The reversal of 20825199271 is 17299152802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20825199271 - 2⁹ = 20825198759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20825197271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10412599635 + 10412599636.

It is an arithmetic number, because the mean of its divisors is an integer number (10412599636).

Almost surely, 2^20825199271 is an apocalyptic number.

20825199271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20825199271 is an equidigital number, since it uses as much as digits as its factorization.

20825199271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 20825199271 in words is "twenty billion, eight hundred twenty-five million, one hundred ninety-nine thousand, two hundred seventy-one".