200520 has 48 divisors (see below), whose sum is σ = 652860. Its totient is φ = 53376.

The previous prime is 200513. The next prime is 200569. The reversal of 200520 is 25002.

200520 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 181476 + 19044 = 426^2 + 138^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 200520.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82 + ... + 638.

2²⁰⁰⁵²⁰ is an apocalyptic number.

200520 is a gapful number since it is divisible by the number (20) 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 200520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326430).

200520 is an abundant number, since it is smaller than the sum of its proper divisors (452340).

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

200520 is a wasteful number, since it uses less digits than its factorization.

200520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 9.

The square root of 200520 is about 447.7945957691. The cubic root of 200520 is about 58.5309938765.

Adding to 200520 its reverse (25002), we get a palindrome (225522).

It can be divided in two parts, 2005 and 20, that added together give a square (2025 = 45²).

The spelling of 200520 in words is "two hundred thousand, five hundred twenty".