20042133144 has 192 divisors, whose sum is σ = 57331384320. Its totient is φ = 5827852800.

The previous prime is 20042133127. The next prime is 20042133149. The reversal of 20042133144 is 44133124002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042133149) 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 47 ways as a sum of consecutive naturals, for example, 11432172 + ... + 11433924.

It is an arithmetic number, because the mean of its divisors is an integer number (298600960).

Almost surely, 2^20042133144 is an apocalyptic number.

20042133144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20042133144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28665692160).

20042133144 is an abundant number, since it is smaller than the sum of its proper divisors (37289251176).

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

20042133144 is a wasteful number, since it uses less digits than its factorization.

20042133144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942 (or 1927 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20042133144 its reverse (44133124002), we get a palindrome (64175257146).

The spelling of 20042133144 in words is "twenty billion, forty-two million, one hundred thirty-three thousand, one hundred forty-four".