1030020473 has 2 divisors, whose sum is σ = 1030020474. Its totient is φ = 1030020472.

The previous prime is 1030020469. The next prime is 1030020487. The reversal of 1030020473 is 3740200301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024512064 + 5508409 = 32008^2 + 2347^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030020473 - 2² = 1030020469 is a prime.

It is not a weakly prime, because it can be changed into another prime (1030020403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515010236 + 515010237.

It is an arithmetic number, because the mean of its divisors is an integer number (515010237).

Almost surely, 2^1030020473 is an apocalyptic number.

It is an amenable number.

1030020473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030020473 is an equidigital number, since it uses as much as digits as its factorization.

1030020473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 1030020473 is about 32093.9320277214. The cubic root of 1030020473 is about 1009.9083251759.

Adding to 1030020473 its reverse (3740200301), we get a palindrome (4770220774).

The spelling of 1030020473 in words is "one billion, thirty million, twenty thousand, four hundred seventy-three".