202320253452 has 12 divisors (see below), whose sum is σ = 472080591416. Its totient is φ = 67440084480.

The previous prime is 202320253393. The next prime is 202320253453. The reversal of 202320253452 is 254352023202.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (202320253453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8430010549 + ... + 8430010572.

Almost surely, 2^202320253452 is an apocalyptic number.

It is an amenable number.

202320253452 is an abundant number, since it is smaller than the sum of its proper divisors (269760337964).

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

202320253452 is a wasteful number, since it uses less digits than its factorization.

202320253452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16860021128 (or 16860021126 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 202320253452 its reverse (254352023202), we get a palindrome (456672276654).

The spelling of 202320253452 in words is "two hundred two billion, three hundred twenty million, two hundred fifty-three thousand, four hundred fifty-two".