20079259 has 2 divisors, whose sum is σ = 20079260. Its totient is φ = 20079258.

The previous prime is 20079251. The next prime is 20079313. The reversal of 20079259 is 95297002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20079259 - 2³ = 20079251 is a prime.

It is not a weakly prime, because it can be changed into another prime (20079251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10039629 + 10039630.

It is an arithmetic number, because the mean of its divisors is an integer number (10039630).

Almost surely, 2^20079259 is an apocalyptic number.

20079259 is a deficient number, since it is larger than the sum of its proper divisors (1).

20079259 is an equidigital number, since it uses as much as digits as its factorization.

20079259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 20079259 is about 4480.9886185975. The cubic root of 20079259 is about 271.7998590777.

The spelling of 20079259 in words is "twenty million, seventy-nine thousand, two hundred fifty-nine".