201102132320020 has 24 divisors (see below), whose sum is σ = 422346353625000. Its totient is φ = 80434781356032.

The previous prime is 201102132320009. The next prime is 201102132320029. The reversal of 201102132320020 is 20023231201102.

It can be written as a sum of positive squares in 4 ways, for example, as 15001569790596 + 186100562529424 = 3873186^2 + 13641868^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201102132320020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102132320029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379201645 + ... + 379731604.

It is an arithmetic number, because the mean of its divisors is an integer number (17597764734375).

Almost surely, 2^{201102132320020} is an apocalyptic number.

201102132320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102132320020 is an abundant number, since it is smaller than the sum of its proper divisors (221244221304980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201102132320020 is a wasteful number, since it uses less digits than its factorization.

201102132320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758946507 (or 758946505 counting only the distinct ones).

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

Adding to 201102132320020 its reverse (20023231201102), we get a palindrome (221125363521122).

The spelling of 201102132320020 in words is "two hundred one trillion, one hundred two billion, one hundred thirty-two million, three hundred twenty thousand, twenty".