202044113 has 8 divisors (see below), whose sum is σ = 205944648. Its totient is φ = 198180864.

The previous prime is 202044107. The next prime is 202044169. The reversal of 202044113 is 311440202.

It can be written as a sum of positive squares in 4 ways, for example, as 1056784 + 200987329 = 1028^2 + 14177^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 202044113 - 2⁴ = 202044097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202044091 and 202044100.

It is not an unprimeable number, because it can be changed into a prime (202044413) 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, 1745 + ... + 20177.

It is an arithmetic number, because the mean of its divisors is an integer number (25743081).

Almost surely, 2^202044113 is an apocalyptic number.

It is an amenable number.

202044113 is a deficient number, since it is larger than the sum of its proper divisors (3900535).

202044113 is a wasteful number, since it uses less digits than its factorization.

202044113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18643.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 202044113 is about 14214.2222087598. Note that the first 4 decimals coincide. The cubic root of 202044113 is about 586.7891391964.

Adding to 202044113 its reverse (311440202), we get a palindrome (513484315).

The spelling of 202044113 in words is "two hundred two million, forty-four thousand, one hundred thirteen".