20896441 has 2 divisors, whose sum is σ = 20896442. Its totient is φ = 20896440.

The previous prime is 20896423. The next prime is 20896457. The reversal of 20896441 is 14469802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18020025 + 2876416 = 4245^2 + 1696^2 .

It is a cyclic number.

It is not a de Polignac number, because 20896441 - 2⁹ = 20895929 is a prime.

It is a super-2 number, since 2×20896441² = 873322492932962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20896397 and 20896406.

It is not a weakly prime, because it can be changed into another prime (20896411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10448220 + 10448221.

It is an arithmetic number, because the mean of its divisors is an integer number (10448221).

Almost surely, 2^20896441 is an apocalyptic number.

It is an amenable number.

20896441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20896441 is an equidigital number, since it uses as much as digits as its factorization.

20896441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 20896441 is about 4571.2625170734. The cubic root of 20896441 is about 275.4381599074.

The spelling of 20896441 in words is "twenty million, eight hundred ninety-six thousand, four hundred forty-one".