820481203 has 2 divisors, whose sum is σ = 820481204. Its totient is φ = 820481202.

The previous prime is 820481197. The next prime is 820481219. The reversal of 820481203 is 302184028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 820481203 - 2⁹ = 820480691 is a prime.

It is not a weakly prime, because it can be changed into another prime (820481003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410240601 + 410240602.

It is an arithmetic number, because the mean of its divisors is an integer number (410240602).

Almost surely, 2^820481203 is an apocalyptic number.

820481203 is a deficient number, since it is larger than the sum of its proper divisors (1).

820481203 is an equidigital number, since it uses as much as digits as its factorization.

820481203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 820481203 is about 28644.0430630873. The cubic root of 820481203 is about 936.1732164602.

The spelling of 820481203 in words is "eight hundred twenty million, four hundred eighty-one thousand, two hundred three".