520210230 has 32 divisors (see below), whose sum is σ = 1250084448. Its totient is φ = 138547200.

The previous prime is 520210199. The next prime is 520210231. The reversal of 520210230 is 32012025.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520210231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14070 + ... + 35190.

It is an arithmetic number, because the mean of its divisors is an integer number (39065139).

Almost surely, 2^520210230 is an apocalyptic number.

520210230 is an abundant number, since it is smaller than the sum of its proper divisors (729874218).

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

520210230 is a wasteful number, since it uses less digits than its factorization.

520210230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21952.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 520210230 is about 22808.1176338601. The cubic root of 520210230 is about 804.2535059857.

Adding to 520210230 its reverse (32012025), we get a palindrome (552222255).

The spelling of 520210230 in words is "five hundred twenty million, two hundred ten thousand, two hundred thirty".