202042205 has 8 divisors (see below), whose sum is σ = 242548992. Its totient is φ = 161568208.

The previous prime is 202042147. The next prime is 202042207. The reversal of 202042205 is 502240202.

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 202042205 - 2⁸ = 202041949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202042207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8432 + ... + 21798.

It is an arithmetic number, because the mean of its divisors is an integer number (30318624).

Almost surely, 2^202042205 is an apocalyptic number.

It is an amenable number.

202042205 is a deficient number, since it is larger than the sum of its proper divisors (40506787).

202042205 is a wasteful number, since it uses less digits than its factorization.

202042205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16395.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 202042205 is about 14214.1550927236. The cubic root of 202042205 is about 586.7872920796.

Adding to 202042205 its reverse (502240202), we get a palindrome (704282407).

The spelling of 202042205 in words is "two hundred two million, forty-two thousand, two hundred five".