202066849 has 2 divisors, whose sum is σ = 202066850. Its totient is φ = 202066848.

The previous prime is 202066829. The next prime is 202066889. The reversal of 202066849 is 948660202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165379600 + 36687249 = 12860^2 + 6057^2 .

It is a cyclic number.

It is not a de Polignac number, because 202066849 - 2¹¹ = 202064801 is a prime.

It is a super-2 number, since 2×202066849² = 81662022929577602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202066829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101033424 + 101033425.

It is an arithmetic number, because the mean of its divisors is an integer number (101033425).

Almost surely, 2^202066849 is an apocalyptic number.

It is an amenable number.

202066849 is a deficient number, since it is larger than the sum of its proper divisors (1).

202066849 is an equidigital number, since it uses as much as digits as its factorization.

202066849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 202066849 is about 14215.0219486289. The cubic root of 202066849 is about 586.8111488082.

The spelling of 202066849 in words is "two hundred two million, sixty-six thousand, eight hundred forty-nine".