520152204243542 has 8 divisors (see below), whose sum is σ = 840245868393456. Its totient is φ = 240070248112392.

The previous prime is 520152204243499. The next prime is 520152204243547. The reversal of 520152204243542 is 245342402251025.

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

It is a self number, because there is not a number n which added to its sum of digits gives 520152204243542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520152204243547) 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, 10002927004658 + ... + 10002927004709.

It is an arithmetic number, because the mean of its divisors is an integer number (105030733549182).

Almost surely, 2^{520152204243542} is an apocalyptic number.

520152204243542 is a deficient number, since it is larger than the sum of its proper divisors (320093664149914).

520152204243542 is a wasteful number, since it uses less digits than its factorization.

520152204243542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20005854009382.

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 520152204243542 its reverse (245342402251025), we get a palindrome (765494606494567).

The spelling of 520152204243542 in words is "five hundred twenty trillion, one hundred fifty-two billion, two hundred four million, two hundred forty-three thousand, five hundred forty-two".