530021164620 has 48 divisors (see below), whose sum is σ = 1487601239040. Its totient is φ = 141001646016.

The previous prime is 530021164609. The next prime is 530021164657. The reversal of 530021164620 is 26461120035.

It is a super-2 number, since 2×530021164620² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10516252 + ... + 10566531.

It is an arithmetic number, because the mean of its divisors is an integer number (30991692480).

Almost surely, 2^530021164620 is an apocalyptic number.

It is an amenable number.

530021164620 is an abundant number, since it is smaller than the sum of its proper divisors (957580074420).

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

530021164620 is a wasteful number, since it uses less digits than its factorization.

530021164620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21083214 (or 21083212 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 530021164620 its reverse (26461120035), we get a palindrome (556482284655).

The spelling of 530021164620 in words is "five hundred thirty billion, twenty-one million, one hundred sixty-four thousand, six hundred twenty".