202253343542 has 32 divisors (see below), whose sum is σ = 323369625600. Its totient is φ = 94600440000.

The previous prime is 202253343541. The next prime is 202253343577. The reversal of 202253343542 is 245343352202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202253343541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2500067 + ... + 2579697.

It is an arithmetic number, because the mean of its divisors is an integer number (10105300800).

Almost surely, 2^202253343542 is an apocalyptic number.

202253343542 is a deficient number, since it is larger than the sum of its proper divisors (121116282058).

202253343542 is a wasteful number, since it uses less digits than its factorization.

202253343542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80492.

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 202253343542 its reverse (245343352202), we get a palindrome (447596695744).

The spelling of 202253343542 in words is "two hundred two billion, two hundred fifty-three million, three hundred forty-three thousand, five hundred forty-two".