520203641143 has 8 divisors (see below), whose sum is σ = 529546567680. Its totient is φ = 510929666520.

The previous prime is 520203641131. The next prime is 520203641161. The reversal of 520203641143 is 341146302025.

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 520203641143 - 2³³ = 511613706551 is a prime.

It is a super-2 number, since 2×520203641143² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520203641183) 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, 17222755 + ... + 17252932.

It is an arithmetic number, because the mean of its divisors is an integer number (66193320960).

Almost surely, 2^520203641143 is an apocalyptic number.

520203641143 is a deficient number, since it is larger than the sum of its proper divisors (9342926537).

520203641143 is a wasteful number, since it uses less digits than its factorization.

520203641143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34475957.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 520203641143 its reverse (341146302025), we get a palindrome (861349943168).

The spelling of 520203641143 in words is "five hundred twenty billion, two hundred three million, six hundred forty-one thousand, one hundred forty-three".