20214143 has 2 divisors, whose sum is σ = 20214144. Its totient is φ = 20214142.

The previous prime is 20214137. The next prime is 20214149. The reversal of 20214143 is 34141202.

It is a balanced prime because it is at equal distance from previous prime (20214137) and next prime (20214149).

It is a cyclic number.

It is not a de Polignac number, because 20214143 - 2⁴ = 20214127 is a prime.

It is a super-2 number, since 2×20214143² = 817223154448898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20214149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107071 + 10107072.

It is an arithmetic number, because the mean of its divisors is an integer number (10107072).

Almost surely, 2^20214143 is an apocalyptic number.

20214143 is a deficient number, since it is larger than the sum of its proper divisors (1).

20214143 is an equidigital number, since it uses as much as digits as its factorization.

20214143 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 17.

The square root of 20214143 is about 4496.0141236433. The cubic root of 20214143 is about 272.4071136437.

Adding to 20214143 its reverse (34141202), we get a palindrome (54355345).

The spelling of 20214143 in words is "twenty million, two hundred fourteen thousand, one hundred forty-three".