202268009 has 8 divisors (see below), whose sum is σ = 206121480. Its totient is φ = 198432000.

The previous prime is 202267997. The next prime is 202268029. The reversal of 202268009 is 900862202.

It is a happy number.

202268009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 80496784 + 121771225 = 8972^2 + 11035^2 .

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 202268009 - 2⁴ = 202267993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202268029) 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, 20327 + ... + 28595.

It is an arithmetic number, because the mean of its divisors is an integer number (25765185).

Almost surely, 2^202268009 is an apocalyptic number.

It is an amenable number.

202268009 is a deficient number, since it is larger than the sum of its proper divisors (3853471).

202268009 is an equidigital number, since it uses as much as digits as its factorization.

202268009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 202268009 is about 14222.0958019555. The cubic root of 202268009 is about 587.0058100995.

The spelling of 202268009 in words is "two hundred two million, two hundred sixty-eight thousand, nine".