530320221306 has 24 divisors (see below), whose sum is σ = 1191583708224. Its totient is φ = 176773406940.

The previous prime is 530320221289. The next prime is 530320221323. The reversal of 530320221306 is 603122023035.

530320221306 is a `hidden beast` number, since 5 + 30 + 320 + 2 + 2 + 1 + 306 = 666.

It is an interprime number because it is at equal distance from previous prime (530320221289) and next prime (530320221323).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 530320221306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545596450 + ... + 545597421.

It is an arithmetic number, because the mean of its divisors is an integer number (49649321176).

Almost surely, 2^530320221306 is an apocalyptic number.

530320221306 is an abundant number, since it is smaller than the sum of its proper divisors (661263486918).

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

530320221306 is a wasteful number, since it uses less digits than its factorization.

530320221306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091193888 (or 1091193876 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The spelling of 530320221306 in words is "five hundred thirty billion, three hundred twenty million, two hundred twenty-one thousand, three hundred six".