20541241144 has 8 divisors (see below), whose sum is σ = 38514827160. Its totient is φ = 10270620568.

The previous prime is 20541241141. The next prime is 20541241159. The reversal of 20541241144 is 44114214502.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×20541241144³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541241141) 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 as a sum of consecutive naturals, namely, 1283827564 + ... + 1283827579.

It is an arithmetic number, because the mean of its divisors is an integer number (4814353395).

Almost surely, 2^20541241144 is an apocalyptic number.

It is an amenable number.

20541241144 is a deficient number, since it is larger than the sum of its proper divisors (17973586016).

20541241144 is a wasteful number, since it uses less digits than its factorization.

20541241144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567655149 (or 2567655145 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 20541241144 its reverse (44114214502), we get a palindrome (64655455646).

The spelling of 20541241144 in words is "twenty billion, five hundred forty-one million, two hundred forty-one thousand, one hundred forty-four".