20142203344 has 40 divisors (see below), whose sum is σ = 40484016000. Its totient is φ = 9696656256.

The previous prime is 20142203311. The next prime is 20142203353. The reversal of 20142203344 is 44330224102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106117 + ... + 227035.

It is an arithmetic number, because the mean of its divisors is an integer number (1012100400).

Almost surely, 2^20142203344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20142203344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20242008000).

20142203344 is an abundant number, since it is smaller than the sum of its proper divisors (20341812656).

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

20142203344 is a wasteful number, since it uses less digits than its factorization.

20142203344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121315 (or 121309 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20142203344 its reverse (44330224102), we get a palindrome (64472427446).

The spelling of 20142203344 in words is "twenty billion, one hundred forty-two million, two hundred three thousand, three hundred forty-four".