520223042436 has 96 divisors (see below), whose sum is σ = 1261402813440. Its totient is φ = 166728038400.

The previous prime is 520223042377. The next prime is 520223042447. The reversal of 520223042436 is 634240322025.

It is a junction number, because it is equal to n+sod(n) for n = 520223042397 and 520223042406.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102383416 + ... + 102388496.

It is an arithmetic number, because the mean of its divisors is an integer number (13139612640).

Almost surely, 2^520223042436 is an apocalyptic number.

It is an amenable number.

520223042436 is an abundant number, since it is smaller than the sum of its proper divisors (741179771004).

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

520223042436 is a wasteful number, since it uses less digits than its factorization.

520223042436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805 (or 7803 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

The spelling of 520223042436 in words is "five hundred twenty billion, two hundred twenty-three million, forty-two thousand, four hundred thirty-six".