520850874820 has 24 divisors (see below), whose sum is σ = 1100497192704. Its totient is φ = 207062186976.

The previous prime is 520850874809. The next prime is 520850874823. The reversal of 520850874820 is 28478058025.

It is not an unprimeable number, because it can be changed into a prime (520850874823) 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, 79881844 + ... + 79888363.

It is an arithmetic number, because the mean of its divisors is an integer number (45854049696).

Almost surely, 2^520850874820 is an apocalyptic number.

It is an amenable number.

520850874820 is an abundant number, since it is smaller than the sum of its proper divisors (579646317884).

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

520850874820 is a wasteful number, since it uses less digits than its factorization.

520850874820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159770379 (or 159770377 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 49.

The spelling of 520850874820 in words is "five hundred twenty billion, eight hundred fifty million, eight hundred seventy-four thousand, eight hundred twenty".