820803083 has 2 divisors, whose sum is σ = 820803084. Its totient is φ = 820803082.

The previous prime is 820803077. The next prime is 820803091. The reversal of 820803083 is 380308028.

820803083 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 is a cyclic number.

It is not a de Polignac number, because 820803083 - 2¹² = 820798987 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (820803043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410401541 + 410401542.

It is an arithmetic number, because the mean of its divisors is an integer number (410401542).

Almost surely, 2^820803083 is an apocalyptic number.

820803083 is a deficient number, since it is larger than the sum of its proper divisors (1).

820803083 is an equidigital number, since it uses as much as digits as its factorization.

820803083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 820803083 is about 28649.6611323764. The cubic root of 820803083 is about 936.2956226925.

The spelling of 820803083 in words is "eight hundred twenty million, eight hundred three thousand, eighty-three".