202011243 has 8 divisors (see below), whose sum is σ = 307826688. Its totient is φ = 115434984.

The previous prime is 202011241. The next prime is 202011247. The reversal of 202011243 is 342110202.

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

It is not a de Polignac number, because 202011243 - 2¹ = 202011241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202011241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4809771 + ... + 4809812.

It is an arithmetic number, because the mean of its divisors is an integer number (38478336).

Almost surely, 2^202011243 is an apocalyptic number.

202011243 is a deficient number, since it is larger than the sum of its proper divisors (105815445).

202011243 is an equidigital number, since it uses as much as digits as its factorization.

202011243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9619593.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 202011243 is about 14213.0659254082. The cubic root of 202011243 is about 586.7573164346.

Adding to 202011243 its reverse (342110202), we get a palindrome (544121445).

The spelling of 202011243 in words is "two hundred two million, eleven thousand, two hundred forty-three".