20142320303444 has 12 divisors (see below), whose sum is σ = 35272765356864. Its totient is φ = 10064387344344.

The previous prime is 20142320303423. The next prime is 20142320303453. The reversal of 20142320303444 is 44430302324102.

It is a super-2 number, since 2×20142320303444² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20142320303444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693195154 + ... + 1693207049.

It is an arithmetic number, because the mean of its divisors is an integer number (2939397113072).

Almost surely, 2^{20142320303444} is an apocalyptic number.

It is an amenable number.

20142320303444 is a deficient number, since it is larger than the sum of its proper divisors (15130445053420).

20142320303444 is a wasteful number, since it uses less digits than its factorization.

20142320303444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386403694 (or 3386403692 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 20142320303444 its reverse (44430302324102), we get a palindrome (64572622627546).

The spelling of 20142320303444 in words is "twenty trillion, one hundred forty-two billion, three hundred twenty million, three hundred three thousand, four hundred forty-four".