202066885 has 8 divisors (see below), whose sum is σ = 243201816. Its totient is φ = 161172480.

The previous prime is 202066849. The next prime is 202066889. The reversal of 202066885 is 588660202.

It can be written as a sum of positive squares in 4 ways, for example, as 2070721 + 199996164 = 1439^2 + 14142^2 .

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

It is not a de Polignac number, because 202066885 - 2²¹ = 199969733 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 (202066889) 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, 58276 + ... + 61645.

It is an arithmetic number, because the mean of its divisors is an integer number (30400227).

Almost surely, 2^202066885 is an apocalyptic number.

It is an amenable number.

202066885 is a deficient number, since it is larger than the sum of its proper divisors (41134931).

202066885 is a wasteful number, since it uses less digits than its factorization.

202066885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120263.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 202066885 is about 14215.0232148949. The cubic root of 202066885 is about 586.8111836567.

The spelling of 202066885 in words is "two hundred two million, sixty-six thousand, eight hundred eighty-five".