20825199259 has 2 divisors, whose sum is σ = 20825199260. Its totient is φ = 20825199258.

The previous prime is 20825199253. The next prime is 20825199271. The reversal of 20825199259 is 95299152802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20825199259 - 2¹⁵ = 20825166491 is a prime.

It is not a weakly prime, because it can be changed into another prime (20825199253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10412599629 + 10412599630.

It is an arithmetic number, because the mean of its divisors is an integer number (10412599630).

Almost surely, 2^20825199259 is an apocalyptic number.

20825199259 is a deficient number, since it is larger than the sum of its proper divisors (1).

20825199259 is an equidigital number, since it uses as much as digits as its factorization.

20825199259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 52.

The spelling of 20825199259 in words is "twenty billion, eight hundred twenty-five million, one hundred ninety-nine thousand, two hundred fifty-nine".