520120342133 has 8 divisors (see below), whose sum is σ = 605638781568. Its totient is φ = 437405786064.

The previous prime is 520120341997. The next prime is 520120342141. The reversal of 520120342133 is 331243021025.

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 520120342133 - 2²⁰ = 520119293557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520120342333) 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, 700970441 + ... + 700971182.

It is an arithmetic number, because the mean of its divisors is an integer number (75704847696).

Almost surely, 2^520120342133 is an apocalyptic number.

520120342133 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

520120342133 is a deficient number, since it is larger than the sum of its proper divisors (85518439435).

520120342133 is a wasteful number, since it uses less digits than its factorization.

520120342133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401941683.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 520120342133 its reverse (331243021025), we get a palindrome (851363363158).

The spelling of 520120342133 in words is "five hundred twenty billion, one hundred twenty million, three hundred forty-two thousand, one hundred thirty-three".