20144405541150 has 144 divisors (see below), whose sum is σ = 59052395226240. Its totient is φ = 4882584571200.

The previous prime is 20144405541149. The next prime is 20144405541151. The reversal of 20144405541150 is 5114550444102.

20144405541150 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 4 + 40 + 554 + 11 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (20144405541149) and next prime (20144405541151).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144405541151) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26448559 + ... + 27199541.

It is an arithmetic number, because the mean of its divisors is an integer number (410086077960).

Almost surely, 2^{20144405541150} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20144405541150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29526197613120).

20144405541150 is an abundant number, since it is smaller than the sum of its proper divisors (38907989685090).

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

20144405541150 is a wasteful number, since it uses less digits than its factorization.

20144405541150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756431 (or 756423 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 20144405541150 its reverse (5114550444102), we get a palindrome (25258955985252).

The spelling of 20144405541150 in words is "twenty trillion, one hundred forty-four billion, four hundred five million, five hundred forty-one thousand, one hundred fifty".