20896079 has 2 divisors, whose sum is σ = 20896080. Its totient is φ = 20896078.

The previous prime is 20896069. The next prime is 20896087. The reversal of 20896079 is 97069802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20896079 is a prime.

It is a super-2 number, since 2×20896079² = 873292235148482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20896039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10448039 + 10448040.

It is an arithmetic number, because the mean of its divisors is an integer number (10448040).

Almost surely, 2^20896079 is an apocalyptic number.

20896079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20896079 is an equidigital number, since it uses as much as digits as its factorization.

20896079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 20896079 is about 4571.2229217136. Note that the first 3 decimals coincide. The cubic root of 20896079 is about 275.4365693784.

The spelling of 20896079 in words is "twenty million, eight hundred ninety-six thousand, seventy-nine".