520222000384 has 36 divisors (see below), whose sum is σ = 1042868706516. Its totient is φ = 258994614272.

The previous prime is 520222000379. The next prime is 520222000387. The reversal of 520222000384 is 483000222025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91039785984 + 429182214400 = 301728^2 + 655120^2 .

It is a super-2 number, since 2×520222000384² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520222000387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4301119 + ... + 4420414.

It is an arithmetic number, because the mean of its divisors is an integer number (28968575181).

Almost surely, 2^520222000384 is an apocalyptic number.

It is an amenable number.

520222000384 is an abundant number, since it is smaller than the sum of its proper divisors (522646706132).

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

520222000384 is an equidigital number, since it uses as much as digits as its factorization.

520222000384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8721782 (or 8721768 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 520222000384 in words is "five hundred twenty billion, two hundred twenty-two million, three hundred eighty-four", and thus it is an aban number.