530021334540220 has 24 divisors (see below), whose sum is σ = 1113045371235504. Its totient is φ = 212008425492096.

The previous prime is 530021334540067. The next prime is 530021334540223. The reversal of 530021334540220 is 22045433120035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530021334540223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41877624 + ... + 53045056.

It is an arithmetic number, because the mean of its divisors is an integer number (46376890468146).

Almost surely, 2^{530021334540220} is an apocalyptic number.

It is an amenable number.

530021334540220 is an abundant number, since it is smaller than the sum of its proper divisors (583024036695284).

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

530021334540220 is a wasteful number, since it uses less digits than its factorization.

530021334540220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13540509 (or 13540507 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 530021334540220 its reverse (22045433120035), we get a palindrome (552066767660255).

The spelling of 530021334540220 in words is "five hundred thirty trillion, twenty-one billion, three hundred thirty-four million, five hundred forty thousand, two hundred twenty".