208020893 has 2 divisors, whose sum is σ = 208020894. Its totient is φ = 208020892.

The previous prime is 208020889. The next prime is 208020929. The reversal of 208020893 is 398020802.

It is a happy number.

208020893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205836409 + 2184484 = 14347^2 + 1478^2 .

It is a cyclic number.

It is not a de Polignac number, because 208020893 - 2² = 208020889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208028893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104010446 + 104010447.

It is an arithmetic number, because the mean of its divisors is an integer number (104010447).

Almost surely, 2^208020893 is an apocalyptic number.

It is an amenable number.

208020893 is a deficient number, since it is larger than the sum of its proper divisors (1).

208020893 is an equidigital number, since it uses as much as digits as its factorization.

208020893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 208020893 is about 14422.9294181175. The cubic root of 208020893 is about 592.5190512962.

The spelling of 208020893 in words is "two hundred eight million, twenty thousand, eight hundred ninety-three".