201020220143 has 2 divisors, whose sum is σ = 201020220144. Its totient is φ = 201020220142.

The previous prime is 201020220101. The next prime is 201020220227. The reversal of 201020220143 is 341022020102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201020220143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201020223143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510110071 + 100510110072.

It is an arithmetic number, because the mean of its divisors is an integer number (100510110072).

Almost surely, 2^201020220143 is an apocalyptic number.

201020220143 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020220143 is an equidigital number, since it uses as much as digits as its factorization.

201020220143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 201020220143 its reverse (341022020102), we get a palindrome (542042240245).

The spelling of 201020220143 in words is "two hundred one billion, twenty million, two hundred twenty thousand, one hundred forty-three".