20201321111132 has 24 divisors (see below), whose sum is σ = 41388072522720. Its totient is φ = 8446545411840.

The previous prime is 20201321111131. The next prime is 20201321111137. The reversal of 20201321111132 is 23111112310202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201321111131) 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, 8798483657 + ... + 8798485952.

It is an arithmetic number, because the mean of its divisors is an integer number (1724503021780).

Almost surely, 2^{20201321111132} is an apocalyptic number.

It is an amenable number.

20201321111132 is an abundant number, since it is smaller than the sum of its proper divisors (21186751411588).

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

20201321111132 is a wasteful number, since it uses less digits than its factorization.

20201321111132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17596969661 (or 17596969659 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 20201321111132 its reverse (23111112310202), we get a palindrome (43312433421334).

The spelling of 20201321111132 in words is "twenty trillion, two hundred one billion, three hundred twenty-one million, one hundred eleven thousand, one hundred thirty-two".