202320134 has 4 divisors (see below), whose sum is σ = 303480204. Its totient is φ = 101160066.

The previous prime is 202320089. The next prime is 202320161. The reversal of 202320134 is 431023202.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50580032 + ... + 50580035.

It is an arithmetic number, because the mean of its divisors is an integer number (75870051).

Almost surely, 2^202320134 is an apocalyptic number.

202320134 is a deficient number, since it is larger than the sum of its proper divisors (101160070).

202320134 is a wasteful number, since it uses less digits than its factorization.

202320134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101160069.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 202320134 is about 14223.9282197289. The cubic root of 202320134 is about 587.0562300844.

Adding to 202320134 its reverse (431023202), we get a palindrome (633343336).

The spelling of 202320134 in words is "two hundred two million, three hundred twenty thousand, one hundred thirty-four".