512063820 has 72 divisors (see below), whose sum is σ = 1556646000. Its totient is φ = 136252800.

The previous prime is 512063819. The next prime is 512063861. The reversal of 512063820 is 28360215.

512063820 is a `hidden beast` number, since 5 + 1 + 2 + 0 + 638 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86970 + ... + 92670.

Almost surely, 2^512063820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512063820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778323000).

512063820 is an abundant number, since it is smaller than the sum of its proper divisors (1044582180).

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

512063820 is a wasteful number, since it uses less digits than its factorization.

512063820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215 (or 6210 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 512063820 is about 22628.8271901131. The cubic root of 512063820 is about 800.0332382023.

The spelling of 512063820 in words is "five hundred twelve million, sixty-three thousand, eight hundred twenty".