20052811 has 2 divisors, whose sum is σ = 20052812. Its totient is φ = 20052810.

The previous prime is 20052793. The next prime is 20052821. The reversal of 20052811 is 11825002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20052811 - 2²³ = 11664203 is a prime.

It is not a weakly prime, because it can be changed into another prime (20052821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10026405 + 10026406.

It is an arithmetic number, because the mean of its divisors is an integer number (10026406).

Almost surely, 2^20052811 is an apocalyptic number.

20052811 is a deficient number, since it is larger than the sum of its proper divisors (1).

20052811 is an equidigital number, since it uses as much as digits as its factorization.

20052811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 20052811 is about 4478.0365116868. The cubic root of 20052811 is about 271.6804701899.

Adding to 20052811 its reverse (11825002), we get a palindrome (31877813).

The spelling of 20052811 in words is "twenty million, fifty-two thousand, eight hundred eleven".