20043321314440 has 32 divisors (see below), whose sum is σ = 45098103980160. Its totient is φ = 8017216344000.

The previous prime is 20043321314437. The next prime is 20043321314459. The reversal of 20043321314440 is 4441312334002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581136 + ... + 6358015.

It is an arithmetic number, because the mean of its divisors is an integer number (1409315749380).

Almost surely, 2^{20043321314440} is an apocalyptic number.

20043321314440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20043321314440 is an abundant number, since it is smaller than the sum of its proper divisors (25054782665720).

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

20043321314440 is a wasteful number, since it uses less digits than its factorization.

20043321314440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011373 (or 7011369 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 20043321314440 its reverse (4441312334002), we get a palindrome (24484633648442).

The spelling of 20043321314440 in words is "twenty trillion, forty-three billion, three hundred twenty-one million, three hundred fourteen thousand, four hundred forty".