511920232 has 16 divisors (see below), whose sum is σ = 960161760. Its totient is φ = 255877104.

The previous prime is 511920221. The next prime is 511920259. The reversal of 511920232 is 232029115.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 511920197 and 511920206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21643 + ... + 38629.

It is an arithmetic number, because the mean of its divisors is an integer number (60010110).

Almost surely, 2^511920232 is an apocalyptic number.

It is an amenable number.

511920232 is a deficient number, since it is larger than the sum of its proper divisors (448241528).

511920232 is a wasteful number, since it uses less digits than its factorization.

511920232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20760 (or 20756 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 511920232 is about 22625.6542888819. The cubic root of 511920232 is about 799.9584520089.

Adding to 511920232 its reverse (232029115), we get a palindrome (743949347).

The spelling of 511920232 in words is "five hundred eleven million, nine hundred twenty thousand, two hundred thirty-two".