520201004 has 12 divisors (see below), whose sum is σ = 912457224. Its totient is φ = 259498944.

The previous prime is 520201001. The next prime is 520201007. The reversal of 520201004 is 400102025.

It is an interprime number because it is at equal distance from previous prime (520201001) and next prime (520201007).

It is a self number, because there is not a number n which added to its sum of digits gives 520201004.

It is not an unprimeable number, because it can be changed into a prime (520201001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148442 + ... + 151905.

It is an arithmetic number, because the mean of its divisors is an integer number (76038102).

Almost surely, 2^520201004 is an apocalyptic number.

It is an amenable number.

520201004 is a deficient number, since it is larger than the sum of its proper divisors (392256220).

520201004 is a wasteful number, since it uses less digits than its factorization.

520201004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300784 (or 300782 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 520201004 is about 22807.9153804112. The cubic root of 520201004 is about 804.2487514421.

Adding to 520201004 its reverse (400102025), we get a palindrome (920303029).

The spelling of 520201004 in words is "five hundred twenty million, two hundred one thousand, four".