920200291 has 2 divisors, whose sum is σ = 920200292. Its totient is φ = 920200290.

The previous prime is 920200243. The next prime is 920200313. The reversal of 920200291 is 192002029.

920200291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 920200291 - 2⁹ = 920199779 is a prime.

It is not a weakly prime, because it can be changed into another prime (920200201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460100145 + 460100146.

It is an arithmetic number, because the mean of its divisors is an integer number (460100146).

Almost surely, 2^920200291 is an apocalyptic number.

920200291 is a deficient number, since it is larger than the sum of its proper divisors (1).

920200291 is an equidigital number, since it uses as much as digits as its factorization.

920200291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 920200291 is about 30334.8032958844. The cubic root of 920200291 is about 972.6594010934.

The spelling of 920200291 in words is "nine hundred twenty million, two hundred thousand, two hundred ninety-one".