512020043000 has 64 divisors (see below), whose sum is σ = 1250219430720. Its totient is φ = 195903312000.

The previous prime is 512020042987. The next prime is 512020043033. The reversal of 512020043000 is 340020215.

It is a self number, because there is not a number n which added to its sum of digits gives 512020043000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11107871 + ... + 11153870.

It is an arithmetic number, because the mean of its divisors is an integer number (19534678605).

Almost surely, 2^512020043000 is an apocalyptic number.

512020043000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

512020043000 is an abundant number, since it is smaller than the sum of its proper divisors (738199387720).

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

512020043000 is a wasteful number, since it uses less digits than its factorization.

512020043000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22261785 (or 22261771 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 512020043000 its reverse (340020215), we get a palindrome (512360063215).

The spelling of 512020043000 in words is "five hundred twelve billion, twenty million, forty-three thousand".