20048311 has 2 divisors, whose sum is σ = 20048312. Its totient is φ = 20048310.

The previous prime is 20048267. The next prime is 20048359. The reversal of 20048311 is 11384002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20048311 - 2¹¹ = 20046263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20048011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10024155 + 10024156.

It is an arithmetic number, because the mean of its divisors is an integer number (10024156).

Almost surely, 2^20048311 is an apocalyptic number.

20048311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20048311 is an equidigital number, since it uses as much as digits as its factorization.

20048311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20048311 is about 4477.5340311381. The cubic root of 20048311 is about 271.6601462966.

The spelling of 20048311 in words is "twenty million, forty-eight thousand, three hundred eleven".