530020815 has 16 divisors (see below), whose sum is σ = 897918048. Its totient is φ = 266049536.

The previous prime is 530020811. The next prime is 530020823. The reversal of 530020815 is 518020035.

It is a cyclic number.

It is not a de Polignac number, because 530020815 - 2² = 530020811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530020811) 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, 1039002 + ... + 1039511.

It is an arithmetic number, because the mean of its divisors is an integer number (56119878).

Almost surely, 2^530020815 is an apocalyptic number.

530020815 is a deficient number, since it is larger than the sum of its proper divisors (367897233).

530020815 is a wasteful number, since it uses less digits than its factorization.

530020815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078538.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 530020815 is about 23022.1809349158. The cubic root of 530020815 is about 809.2778275931.

The spelling of 530020815 in words is "five hundred thirty million, twenty thousand, eight hundred fifteen".