201020201029 has 2 divisors, whose sum is σ = 201020201030. Its totient is φ = 201020201028.

The previous prime is 201020200999. The next prime is 201020201101. The reversal of 201020201029 is 920102020102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107551202500 + 93468998529 = 327950^2 + 305727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201020201029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201020200997 and 201020201015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201020201729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510100514 + 100510100515.

It is an arithmetic number, because the mean of its divisors is an integer number (100510100515).

Almost surely, 2^201020201029 is an apocalyptic number.

It is an amenable number.

201020201029 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020201029 is an equidigital number, since it uses as much as digits as its factorization.

201020201029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 201020201029 in words is "two hundred one billion, twenty million, two hundred one thousand, twenty-nine".