201020332110223 has 16 divisors (see below), whose sum is σ = 203486068933056. Its totient is φ = 198563947430400.

The previous prime is 201020332110209. The next prime is 201020332110229. The reversal of 201020332110223 is 322011233020102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201020332110223 is a prime.

It is a super-2 number, since 2×201020332110223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201020332110194 and 201020332110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020332110229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911822990 + ... + 1911928132.

It is an arithmetic number, because the mean of its divisors is an integer number (12717879308316).

Almost surely, 2^{201020332110223} is an apocalyptic number.

201020332110223 is a deficient number, since it is larger than the sum of its proper divisors (2465736822833).

201020332110223 is a wasteful number, since it uses less digits than its factorization.

201020332110223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149394.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 201020332110223 its reverse (322011233020102), we get a palindrome (523031565130325).

The spelling of 201020332110223 in words is "two hundred one trillion, twenty billion, three hundred thirty-two million, one hundred ten thousand, two hundred twenty-three".