520001330 has 32 divisors (see below), whose sum is σ = 964604160. Its totient is φ = 201683520.

The previous prime is 520001327. The next prime is 520001341. The reversal of 520001330 is 33100025.

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 15 ways as a sum of consecutive naturals, for example, 112811 + ... + 117329.

It is an arithmetic number, because the mean of its divisors is an integer number (30143880).

Almost surely, 2^520001330 is an apocalyptic number.

520001330 is a deficient number, since it is larger than the sum of its proper divisors (444602830).

520001330 is a wasteful number, since it uses less digits than its factorization.

520001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 520001330 is about 22803.5376641433. The cubic root of 520001330 is about 804.1458373025.

Adding to 520001330 its reverse (33100025), we get a palindrome (553101355).

The spelling of 520001330 in words is "five hundred twenty million, one thousand, three hundred thirty".