202668147 has 24 divisors (see below), whose sum is σ = 319807488. Its totient is φ = 122655600.

The previous prime is 202668143. The next prime is 202668149. The reversal of 202668147 is 741866202.

It is not a de Polignac number, because 202668147 - 2² = 202668143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202668143) 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 23 ways as a sum of consecutive naturals, for example, 121038 + ... + 122700.

It is an arithmetic number, because the mean of its divisors is an integer number (13325312).

Almost surely, 2^202668147 is an apocalyptic number.

202668147 is a deficient number, since it is larger than the sum of its proper divisors (117139341).

202668147 is a wasteful number, since it uses less digits than its factorization.

202668147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 2908 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 202668147 is about 14236.1563281667. The cubic root of 202668147 is about 587.3926378131.

The spelling of 202668147 in words is "two hundred two million, six hundred sixty-eight thousand, one hundred forty-seven".