20202841 has 2 divisors, whose sum is σ = 20202842. Its totient is φ = 20202840.

The previous prime is 20202829. The next prime is 20202863. The reversal of 20202841 is 14820202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20115225 + 87616 = 4485^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202841 - 2¹⁷ = 20071769 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (20202811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101420 + 10101421.

It is an arithmetic number, because the mean of its divisors is an integer number (10101421).

Almost surely, 2^20202841 is an apocalyptic number.

It is an amenable number.

20202841 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202841 is an equidigital number, since it uses as much as digits as its factorization.

20202841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 20202841 is about 4494.7570568386. The cubic root of 20202841 is about 272.3563353484.

The spelling of 20202841 in words is "twenty million, two hundred two thousand, eight hundred forty-one".