20144456663133 has 16 divisors (see below), whose sum is σ = 29351809578816. Its totient is φ = 12187602570240.

The previous prime is 20144456663131. The next prime is 20144456663143. The reversal of 20144456663133 is 33136665444102.

It is not a de Polignac number, because 20144456663133 - 2¹ = 20144456663131 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144456663131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528956766 + ... + 528994847.

It is an arithmetic number, because the mean of its divisors is an integer number (1834488098676).

Almost surely, 2^{20144456663133} is an apocalyptic number.

It is an amenable number.

20144456663133 is a deficient number, since it is larger than the sum of its proper divisors (9207352915683).

20144456663133 is a wasteful number, since it uses less digits than its factorization.

20144456663133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057952204.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 20144456663133 in words is "twenty trillion, one hundred forty-four billion, four hundred fifty-six million, six hundred sixty-three thousand, one hundred thirty-three".