20960893 has 2 divisors, whose sum is σ = 20960894. Its totient is φ = 20960892.

The previous prime is 20960887. The next prime is 20960911. The reversal of 20960893 is 39806902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20958084 + 2809 = 4578^2 + 53^2 .

It is a cyclic number.

It is not a de Polignac number, because 20960893 - 2¹⁷ = 20829821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20960803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10480446 + 10480447.

It is an arithmetic number, because the mean of its divisors is an integer number (10480447).

Almost surely, 2^20960893 is an apocalyptic number.

It is an amenable number.

20960893 is a deficient number, since it is larger than the sum of its proper divisors (1).

20960893 is an equidigital number, since it uses as much as digits as its factorization.

20960893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 20960893 is about 4578.3067830804. The cubic root of 20960893 is about 275.7210520961.

The spelling of 20960893 in words is "twenty million, nine hundred sixty thousand, eight hundred ninety-three".