520030320514 has 16 divisors (see below), whose sum is σ = 799184909880. Its totient is φ = 253637159040.

The previous prime is 520030320479. The next prime is 520030320527. The reversal of 520030320514 is 415023030025.

It can be written as a sum of positive squares in 4 ways, for example, as 449442864025 + 70587456489 = 670405^2 + 265683^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 131092 + ... + 1028224.

Almost surely, 2^520030320514 is an apocalyptic number.

520030320514 is a deficient number, since it is larger than the sum of its proper divisors (279154589366).

520030320514 is a wasteful number, since it uses less digits than its factorization.

520030320514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904245.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 520030320514 its reverse (415023030025), we get a palindrome (935053350539).

The spelling of 520030320514 in words is "five hundred twenty billion, thirty million, three hundred twenty thousand, five hundred fourteen".