20143420211 has 2 divisors, whose sum is σ = 20143420212. Its totient is φ = 20143420210.

The previous prime is 20143420189. The next prime is 20143420259. The reversal of 20143420211 is 11202434102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20143420211 - 2¹⁴ = 20143403827 is a prime.

It is not a weakly prime, because it can be changed into another prime (20143420511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071710105 + 10071710106.

It is an arithmetic number, because the mean of its divisors is an integer number (10071710106).

Almost surely, 2^20143420211 is an apocalyptic number.

20143420211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20143420211 is an equidigital number, since it uses as much as digits as its factorization.

20143420211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20143420211 its reverse (11202434102), we get a palindrome (31345854313).

The spelling of 20143420211 in words is "twenty billion, one hundred forty-three million, four hundred twenty thousand, two hundred eleven".