520222000385 has 8 divisors (see below), whose sum is σ = 624776846400. Its totient is φ = 415837303024.

The previous prime is 520222000379. The next prime is 520222000387. The reversal of 520222000385 is 583000222025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520222000385 - 2¹⁰ = 520221999361 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42530435 + ... + 42542664.

It is an arithmetic number, because the mean of its divisors is an integer number (78097105800).

Almost surely, 2^520222000385 is an apocalyptic number.

It is an amenable number.

520222000385 is a deficient number, since it is larger than the sum of its proper divisors (104554846015).

520222000385 is a wasteful number, since it uses less digits than its factorization.

520222000385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85074327.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 520222000385 in words is "five hundred twenty billion, two hundred twenty-two million, three hundred eighty-five", and thus it is an aban number.