520023708 has 72 divisors (see below), whose sum is σ = 1369368000. Its totient is φ = 166190976.

The previous prime is 520023703. The next prime is 520023709. The reversal of 520023708 is 807320025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520023703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153885 + ... + 157227.

It is an arithmetic number, because the mean of its divisors is an integer number (19019000).

Almost surely, 2^520023708 is an apocalyptic number.

520023708 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520023708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684684000).

520023708 is an abundant number, since it is smaller than the sum of its proper divisors (849344292).

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

520023708 is a wasteful number, since it uses less digits than its factorization.

520023708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531 (or 3526 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 520023708 is about 22804.0283283458. The cubic root of 520023708 is about 804.1573724765.

The spelling of 520023708 in words is "five hundred twenty million, twenty-three thousand, seven hundred eight".