202540082 has 8 divisors (see below), whose sum is σ = 311220252. Its totient is φ = 98800000.

The previous prime is 202540027. The next prime is 202540087. The reversal of 202540082 is 280045202.

It can be written as a sum of positive squares in 2 ways, for example, as 181737361 + 20802721 = 13481^2 + 4561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (202540087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234919 + ... + 1235082.

Almost surely, 2^202540082 is an apocalyptic number.

202540082 is a deficient number, since it is larger than the sum of its proper divisors (108680170).

202540082 is a wasteful number, since it uses less digits than its factorization.

202540082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470044.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 202540082 is about 14231.6577389986. The cubic root of 202540082 is about 587.2688882427.

Adding to 202540082 its reverse (280045202), we get a palindrome (482585284).

The spelling of 202540082 in words is "two hundred two million, five hundred forty thousand, eighty-two".