512300020 has 48 divisors (see below), whose sum is σ = 1092042000. Its totient is φ = 201850880.

The previous prime is 512299927. The next prime is 512300027. The reversal of 512300020 is 20003215.

It can be written as a sum of positive squares in 8 ways, for example, as 1449616 + 510850404 = 1204^2 + 22602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512300027) 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, 798900 + ... + 799540.

It is an arithmetic number, because the mean of its divisors is an integer number (22750875).

Almost surely, 2^512300020 is an apocalyptic number.

It is an amenable number.

512300020 is an abundant number, since it is smaller than the sum of its proper divisors (579741980).

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

512300020 is a wasteful number, since it uses less digits than its factorization.

512300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 512300020 is about 22634.0455950765. The cubic root of 512300020 is about 800.1562299050.

Adding to 512300020 its reverse (20003215), we get a palindrome (532303235).

The spelling of 512300020 in words is "five hundred twelve million, three hundred thousand, twenty".