4520204231 has 2 divisors, whose sum is σ = 4520204232. Its totient is φ = 4520204230.

The previous prime is 4520204159. The next prime is 4520204251. The reversal of 4520204231 is 1324020254.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4520204231 - 2³⁰ = 3446462407 is a prime.

It is a super-2 number, since 2×4520204231² = 40864492579900602722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4520204197 and 4520204206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4520204251) 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, 2260102115 + 2260102116.

It is an arithmetic number, because the mean of its divisors is an integer number (2260102116).

Almost surely, 2^4520204231 is an apocalyptic number.

4520204231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4520204231 is an equidigital number, since it uses as much as digits as its factorization.

4520204231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4520204231 is about 67232.4641151877. The cubic root of 4520204231 is about 1653.4307839291.

Adding to 4520204231 its reverse (1324020254), we get a palindrome (5844224485).

The spelling of 4520204231 in words is "four billion, five hundred twenty million, two hundred four thousand, two hundred thirty-one".