520163300 has 18 divisors (see below), whose sum is σ = 1128754578. Its totient is φ = 208065280.

The previous prime is 520163243. The next prime is 520163309. The reversal of 520163300 is 3361025.

It can be written as a sum of positive squares in 3 ways, for example, as 119202724 + 400960576 = 10918^2 + 20024^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (520163309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2600717 + ... + 2600916.

Almost surely, 2^520163300 is an apocalyptic number.

520163300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

520163300 is an abundant number, since it is smaller than the sum of its proper divisors (608591278).

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

520163300 is a wasteful number, since it uses less digits than its factorization.

520163300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201647 (or 5201640 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 520163300 is about 22807.0888102800. The cubic root of 520163300 is about 804.2293204098.

The spelling of 520163300 in words is "five hundred twenty million, one hundred sixty-three thousand, three hundred".