520228170 has 320 divisors, whose sum is σ = 1839974400. Its totient is φ = 102176640.

The previous prime is 520228153. The next prime is 520228171. The reversal of 520228170 is 71822025.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520228171) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1184811 + ... + 1185249.

It is an arithmetic number, because the mean of its divisors is an integer number (5749920).

Almost surely, 2^520228170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520228170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919987200).

520228170 is an abundant number, since it is smaller than the sum of its proper divisors (1319746230).

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

520228170 is a wasteful number, since it uses less digits than its factorization.

520228170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 520228170 is about 22808.5109114997. The cubic root of 520228170 is about 804.2627510571.

The spelling of 520228170 in words is "five hundred twenty million, two hundred twenty-eight thousand, one hundred seventy".