520011300 has 72 divisors (see below), whose sum is σ = 1593085536. Its totient is φ = 130511360.

The previous prime is 520011299. The next prime is 520011307. The reversal of 520011300 is 3110025.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (520011307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45882 + ... + 56081.

It is an arithmetic number, because the mean of its divisors is an integer number (22126188).

Almost surely, 2^520011300 is an apocalyptic number.

520011300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

520011300 is an abundant number, since it is smaller than the sum of its proper divisors (1073074236).

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

520011300 is a wasteful number, since it uses less digits than its factorization.

520011300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101997 (or 101990 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 520011300 is about 22803.7562695272. The cubic root of 520011300 is about 804.1509765732.

Adding to 520011300 its reverse (3110025), we get a palindrome (523121325).

It can be divided in two parts, 52001 and 1300, that added together give a triangular number (53301 = T₃₂₆).

The spelling of 520011300 in words is "five hundred twenty million, eleven thousand, three hundred".