202001071 has 2 divisors, whose sum is σ = 202001072. Its totient is φ = 202001070.

The previous prime is 202001039. The next prime is 202001077. The reversal of 202001071 is 170100202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202001071 - 2⁵ = 202001039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202001077) 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 as a sum of consecutive naturals, namely, 101000535 + 101000536.

It is an arithmetic number, because the mean of its divisors is an integer number (101000536).

Almost surely, 2^202001071 is an apocalyptic number.

202001071 is a deficient number, since it is larger than the sum of its proper divisors (1).

202001071 is an equidigital number, since it uses as much as digits as its factorization.

202001071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 202001071 is about 14212.7080811505. The cubic root of 202001071 is about 586.7474678151.

Adding to 202001071 its reverse (170100202), we get a palindrome (372101273).

The spelling of 202001071 in words is "two hundred two million, one thousand, seventy-one".