513033020 has 12 divisors (see below), whose sum is σ = 1077369384. Its totient is φ = 205213200.

The previous prime is 513033019. The next prime is 513033023. The reversal of 513033020 is 20330315.

It is a super-2 number, since 2×513033020² = 526405759220640800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 513033020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513033023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12825806 + ... + 12825845.

It is an arithmetic number, because the mean of its divisors is an integer number (89780782).

Almost surely, 2^513033020 is an apocalyptic number.

It is an amenable number.

513033020 is an abundant number, since it is smaller than the sum of its proper divisors (564336364).

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

513033020 is a wasteful number, since it uses less digits than its factorization.

513033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25651660 (or 25651658 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 513033020 is about 22650.2322283901. The cubic root of 513033020 is about 800.5376698080.

Adding to 513033020 its reverse (20330315), we get a palindrome (533363335).

The spelling of 513033020 in words is "five hundred thirteen million, thirty-three thousand, twenty".