20111204241144 has 48 divisors (see below), whose sum is σ = 54485297477520. Its totient is φ = 6701586727680.

The previous prime is 20111204241143. The next prime is 20111204241169. The reversal of 20111204241144 is 44114240211102.

20111204241144 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 1 + 204 + 2 + 411 + 44 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111204241143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44524132 + ... + 44973555.

It is an arithmetic number, because the mean of its divisors is an integer number (1135110364115).

Almost surely, 2^{20111204241144} is an apocalyptic number.

20111204241144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20111204241144 is an abundant number, since it is smaller than the sum of its proper divisors (34374093236376).

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

20111204241144 is a wasteful number, since it uses less digits than its factorization.

20111204241144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89500820 (or 89500813 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 20111204241144 its reverse (44114240211102), we get a palindrome (64225444452246).

The spelling of 20111204241144 in words is "twenty trillion, one hundred eleven billion, two hundred four million, two hundred forty-one thousand, one hundred forty-four".