20033342144 has 56 divisors (see below), whose sum is σ = 40364511600. Its totient is φ = 9863553024.

The previous prime is 20033342117. The next prime is 20033342149. The reversal of 20033342144 is 44124333002.

It is not an unprimeable number, because it can be changed into a prime (20033342149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656632 + ... + 1668680.

It is an arithmetic number, because the mean of its divisors is an integer number (720794850).

Almost surely, 2^20033342144 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 20033342144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20182255800).

20033342144 is an abundant number, since it is smaller than the sum of its proper divisors (20331169456).

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

20033342144 is a wasteful number, since it uses less digits than its factorization.

20033342144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457 (or 12447 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20033342144 its reverse (44124333002), we get a palindrome (64157675146).

The spelling of 20033342144 in words is "twenty billion, thirty-three million, three hundred forty-two thousand, one hundred forty-four".