4030020473 has 2 divisors, whose sum is σ = 4030020474. Its totient is φ = 4030020472.

The previous prime is 4030020451. The next prime is 4030020521. The reversal of 4030020473 is 3740200304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3162600169 + 867420304 = 56237^2 + 29452^2 .

It is a cyclic number.

It is not a de Polignac number, because 4030020473 - 2¹⁰ = 4030019449 is a prime.

It is not a weakly prime, because it can be changed into another prime (4030020773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015010236 + 2015010237.

It is an arithmetic number, because the mean of its divisors is an integer number (2015010237).

Almost surely, 2^4030020473 is an apocalyptic number.

It is an amenable number.

4030020473 is a deficient number, since it is larger than the sum of its proper divisors (1).

4030020473 is an equidigital number, since it uses as much as digits as its factorization.

4030020473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 4030020473 is about 63482.4422419302. The cubic root of 4030020473 is about 1591.3623692513.

Adding to 4030020473 its reverse (3740200304), we get a palindrome (7770220777).

The spelling of 4030020473 in words is "four billion, thirty million, twenty thousand, four hundred seventy-three".