20144443042132 has 12 divisors (see below), whose sum is σ = 35258784019200. Its totient is φ = 10070504750936.

The previous prime is 20144443042103. The next prime is 20144443042147. The reversal of 20144443042132 is 23124034444102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429166132 + ... + 429213067.

It is an arithmetic number, because the mean of its divisors is an integer number (2938232001600).

Almost surely, 2^{20144443042132} is an apocalyptic number.

It is an amenable number.

20144443042132 is a deficient number, since it is larger than the sum of its proper divisors (15114340977068).

20144443042132 is a wasteful number, since it uses less digits than its factorization.

20144443042132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858385070 (or 858385068 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 20144443042132 its reverse (23124034444102), we get a palindrome (43268477486234).

The spelling of 20144443042132 in words is "twenty trillion, one hundred forty-four billion, four hundred forty-three million, forty-two thousand, one hundred thirty-two".