20331110231140 has 48 divisors (see below), whose sum is σ = 42832237522032. Its totient is φ = 8106369417216.

The previous prime is 20331110231119. The next prime is 20331110231143. The reversal of 20331110231140 is 4113201113302.

It can be written as a sum of positive squares in 8 ways, for example, as 3931979658084 + 16399130573056 = 1982922^2 + 4049584^2 .

It is not an unprimeable number, because it can be changed into a prime (20331110231143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141138832 + ... + 141282808.

It is an arithmetic number, because the mean of its divisors is an integer number (892338281709).

Almost surely, 2^{20331110231140} is an apocalyptic number.

20331110231140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331110231140 is an abundant number, since it is smaller than the sum of its proper divisors (22501127290892).

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

20331110231140 is a wasteful number, since it uses less digits than its factorization.

20331110231140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166576 (or 166574 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20331110231140 its reverse (4113201113302), we get a palindrome (24444311344442).

The spelling of 20331110231140 in words is "twenty trillion, three hundred thirty-one billion, one hundred ten million, two hundred thirty-one thousand, one hundred forty".