202525421230 has 32 divisors (see below), whose sum is σ = 398166179040. Its totient is φ = 73556737920.

The previous prime is 202525421201. The next prime is 202525421237. The reversal of 202525421230 is 32124525202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202525421237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1019269 + ... + 1201648.

It is an arithmetic number, because the mean of its divisors is an integer number (12442693095).

Almost surely, 2^202525421230 is an apocalyptic number.

202525421230 is a deficient number, since it is larger than the sum of its proper divisors (195640757810).

202525421230 is a wasteful number, since it uses less digits than its factorization.

202525421230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221764.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 202525421230 its reverse (32124525202), we get a palindrome (234649946432).

The spelling of 202525421230 in words is "two hundred two billion, five hundred twenty-five million, four hundred twenty-one thousand, two hundred thirty".