512430220 has 12 divisors (see below), whose sum is σ = 1076103504. Its totient is φ = 204972080.

The previous prime is 512430199. The next prime is 512430229. The reversal of 512430220 is 22034215.

It is not an unprimeable number, because it can be changed into a prime (512430229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12810736 + ... + 12810775.

It is an arithmetic number, because the mean of its divisors is an integer number (89675292).

Almost surely, 2^512430220 is an apocalyptic number.

It is an amenable number.

512430220 is an abundant number, since it is smaller than the sum of its proper divisors (563673284).

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

512430220 is a wasteful number, since it uses less digits than its factorization.

512430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25621520 (or 25621518 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 512430220 is about 22636.9216105017. The cubic root of 512430220 is about 800.2240101851.

Adding to 512430220 its reverse (22034215), we get a palindrome (534464435).

It can be divided in two parts, 5124 and 30220, that added together give a square (35344 = 188²).

The spelling of 512430220 in words is "five hundred twelve million, four hundred thirty thousand, two hundred twenty".