520722060 has 24 divisors (see below), whose sum is σ = 1458021936. Its totient is φ = 138859200.

The previous prime is 520722049. The next prime is 520722061. The reversal of 520722060 is 60227025.

It is a self number, because there is not a number n which added to its sum of digits gives 520722060.

It is not an unprimeable number, because it can be changed into a prime (520722061) 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, 4339291 + ... + 4339410.

It is an arithmetic number, because the mean of its divisors is an integer number (60750914).

Almost surely, 2^520722060 is an apocalyptic number.

It is an amenable number.

520722060 is an abundant number, since it is smaller than the sum of its proper divisors (937299876).

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

520722060 is a wasteful number, since it uses less digits than its factorization.

520722060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8678713 (or 8678711 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 520722060 is about 22819.3352225695. The cubic root of 520722060 is about 804.5171853720.

Adding to 520722060 its reverse (60227025), we get a palindrome (580949085).

The spelling of 520722060 in words is "five hundred twenty million, seven hundred twenty-two thousand, sixty".