520165030 has 32 divisors (see below), whose sum is σ = 1167333120. Its totient is φ = 162129120.

The previous prime is 520165013. The next prime is 520165057. The reversal of 520165030 is 30561025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 520164992 and 520165010.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 337000 + ... + 338539.

It is an arithmetic number, because the mean of its divisors is an integer number (36479160).

Almost surely, 2^520165030 is an apocalyptic number.

520165030 is an abundant number, since it is smaller than the sum of its proper divisors (647168090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520165030 is a wasteful number, since it uses less digits than its factorization.

520165030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675564.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 520165030 is about 22807.1267370530. The cubic root of 520165030 is about 804.2302119985.

The spelling of 520165030 in words is "five hundred twenty million, one hundred sixty-five thousand, thirty".