20033131412144 has 120 divisors (see below), whose sum is σ = 42258902007168. Its totient is φ = 9168054128640.

The previous prime is 20033131412057. The next prime is 20033131412149. The reversal of 20033131412144 is 44121413133002.

It is not an unprimeable number, because it can be changed into a prime (20033131412149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 827017217 + ... + 827041439.

Almost surely, 2^{20033131412144} 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 20033131412144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21129451003584).

20033131412144 is an abundant number, since it is smaller than the sum of its proper divisors (22225770595024).

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

20033131412144 is a wasteful number, since it uses less digits than its factorization.

20033131412144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26543 (or 26500 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20033131412144 its reverse (44121413133002), we get a palindrome (64154544545146).

The spelling of 20033131412144 in words is "twenty trillion, thirty-three billion, one hundred thirty-one million, four hundred twelve thousand, one hundred forty-four".