20403320314144 has 24 divisors (see below), whose sum is σ = 40169248334208. Its totient is φ = 10201606451520.

The previous prime is 20403320314141. The next prime is 20403320314159. The reversal of 20403320314144 is 44141302330402.

It is a super-2 number, since 2×20403320314144² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20403320314141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4890829 + ... + 8045299.

It is an arithmetic number, because the mean of its divisors is an integer number (1673718680592).

Almost surely, 2^{20403320314144} is an apocalyptic number.

It is an amenable number.

20403320314144 is a deficient number, since it is larger than the sum of its proper divisors (19765928020064).

20403320314144 is a wasteful number, since it uses less digits than its factorization.

20403320314144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356608 (or 3356600 counting only the distinct ones).

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

Adding to 20403320314144 its reverse (44141302330402), we get a palindrome (64544622644546).

The spelling of 20403320314144 in words is "twenty trillion, four hundred three billion, three hundred twenty million, three hundred fourteen thousand, one hundred forty-four".