20144104120 has 128 divisors (see below), whose sum is σ = 54726451200. Its totient is φ = 6526388736.

The previous prime is 20144104109. The next prime is 20144104121. The reversal of 20144104120 is 2140144102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144104121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355249 + ... + 408031.

It is an arithmetic number, because the mean of its divisors is an integer number (427550400).

Almost surely, 2^20144104120 is an apocalyptic number.

20144104120 is a gapful number since it is divisible by the number (20) 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 20144104120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27363225600).

20144104120 is an abundant number, since it is smaller than the sum of its proper divisors (34582347080).

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

20144104120 is a wasteful number, since it uses less digits than its factorization.

20144104120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52877 (or 52873 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20144104120 its reverse (2140144102), we get a palindrome (22284248222).

The spelling of 20144104120 in words is "twenty billion, one hundred forty-four million, one hundred four thousand, one hundred twenty".