20102132143 has 2 divisors, whose sum is σ = 20102132144. Its totient is φ = 20102132142.

The previous prime is 20102132119. The next prime is 20102132201. The reversal of 20102132143 is 34123120102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20102132143 - 2²⁹ = 19565261231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20102132143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102132243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051066071 + 10051066072.

It is an arithmetic number, because the mean of its divisors is an integer number (10051066072).

Almost surely, 2^20102132143 is an apocalyptic number.

20102132143 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102132143 is an equidigital number, since it uses as much as digits as its factorization.

20102132143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20102132143 its reverse (34123120102), we get a palindrome (54225252245).

The spelling of 20102132143 in words is "twenty billion, one hundred two million, one hundred thirty-two thousand, one hundred forty-three".