20144443042092 has 12 divisors (see below), whose sum is σ = 47003700431576. Its totient is φ = 6714814347360.

The previous prime is 20144443042067. The next prime is 20144443042103. The reversal of 20144443042092 is 29024034444102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20144443042092.

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, 839351793409 + ... + 839351793432.

Almost surely, 2^{20144443042092} is an apocalyptic number.

It is an amenable number.

20144443042092 is an abundant number, since it is smaller than the sum of its proper divisors (26859257389484).

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

20144443042092 is a wasteful number, since it uses less digits than its factorization.

20144443042092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678703586848 (or 1678703586846 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

Adding to 20144443042092 its reverse (29024034444102), we get a palindrome (49168477486194).

The spelling of 20144443042092 in words is "twenty trillion, one hundred forty-four billion, four hundred forty-three million, forty-two thousand, ninety-two".