202530 has 32 divisors (see below), whose sum is σ = 500544. Its totient is φ = 52416.

The previous prime is 202529. The next prime is 202549. The reversal of 202530 is 35202.

202530 is nontrivially palindromic in base 9.

It is a zygodrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1212 + ... + 1368.

It is an arithmetic number, because the mean of its divisors is an integer number (15642).

2²⁰²⁵³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250272).

202530 is an abundant number, since it is smaller than the sum of its proper divisors (298014).

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

202530 is a wasteful number, since it uses less digits than its factorization.

202530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 202530 is about 450.0333320989. The cubic root of 202530 is about 58.7259143763.

Adding to 202530 its reverse (35202), we get a palindrome (237732).

The spelling of 202530 in words is "two hundred two thousand, five hundred thirty".