512230020 has 24 divisors (see below), whose sum is σ = 1434244224. Its totient is φ = 136594656.

The previous prime is 512230003. The next prime is 512230031. The reversal of 512230020 is 20032215.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4268524 + ... + 4268643.

It is an arithmetic number, because the mean of its divisors is an integer number (59760176).

Almost surely, 2^512230020 is an apocalyptic number.

It is an amenable number.

512230020 is an abundant number, since it is smaller than the sum of its proper divisors (922014204).

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

512230020 is a wasteful number, since it uses less digits than its factorization.

512230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537179 (or 8537177 counting only the distinct ones).

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

The square root of 512230020 is about 22632.4991991605. The cubic root of 512230020 is about 800.1197841471.

Adding to 512230020 its reverse (20032215), we get a palindrome (532262235).

The spelling of 512230020 in words is "five hundred twelve million, two hundred thirty thousand, twenty".