539605220 has 192 divisors, whose sum is σ = 1486356480. Its totient is φ = 159667200.

The previous prime is 539605217. The next prime is 539605229. The reversal of 539605220 is 22506935.

It is not an unprimeable number, because it can be changed into a prime (539605229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4248797 + ... + 4248923.

It is an arithmetic number, because the mean of its divisors is an integer number (7741440).

Almost surely, 2^539605220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539605220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743178240).

539605220 is an abundant number, since it is smaller than the sum of its proper divisors (946751260).

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

539605220 is a wasteful number, since it uses less digits than its factorization.

539605220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 539605220 is about 23229.4042110425. The cubic root of 539605220 is about 814.1267925652.

The spelling of 539605220 in words is "five hundred thirty-nine million, six hundred five thousand, two hundred twenty".