20144456663132 has 12 divisors (see below), whose sum is σ = 35258356953456. Its totient is φ = 10070640390720.

The previous prime is 20144456663131. The next prime is 20144456663143. The reversal of 20144456663132 is 23136665444102.

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 3 ways as a sum of consecutive naturals, for example, 396956669 + ... + 397007412.

It is an arithmetic number, because the mean of its divisors is an integer number (2938196412788).

Almost surely, 2^{20144456663132} is an apocalyptic number.

It is an amenable number.

20144456663132 is a deficient number, since it is larger than the sum of its proper divisors (15113900290324).

20144456663132 is a wasteful number, since it uses less digits than its factorization.

20144456663132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793970428 (or 793970426 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 20144456663132 in words is "twenty trillion, one hundred forty-four billion, four hundred fifty-six million, six hundred sixty-three thousand, one hundred thirty-two".