202521116 has 18 divisors (see below), whose sum is σ = 412275528. Its totient is φ = 86794680.

The previous prime is 202521113. The next prime is 202521169. The reversal of 202521116 is 611125202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202521113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 516440 + ... + 516831.

It is an arithmetic number, because the mean of its divisors is an integer number (22904196).

Almost surely, 2^202521116 is an apocalyptic number.

It is an amenable number.

202521116 is an abundant number, since it is smaller than the sum of its proper divisors (209754412).

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

202521116 is a wasteful number, since it uses less digits than its factorization.

202521116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033289 (or 1033280 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 202521116 is about 14230.9913920289. The cubic root of 202521116 is about 587.2505569091.

Adding to 202521116 its reverse (611125202), we get a palindrome (813646318).

The spelling of 202521116 in words is "two hundred two million, five hundred twenty-one thousand, one hundred sixteen".