20144376652017 has 16 divisors (see below), whose sum is σ = 26946723323520. Its totient is φ = 13385870611200.

The previous prime is 20144376651979. The next prime is 20144376652021. The reversal of 20144376652017 is 71025667344102.

It is not a de Polignac number, because 20144376652017 - 2⁸ = 20144376651761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20144376652027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6653784 + ... + 9195737.

It is an arithmetic number, because the mean of its divisors is an integer number (1684170207720).

Almost surely, 2^{20144376652017} is an apocalyptic number.

It is an amenable number.

20144376652017 is a deficient number, since it is larger than the sum of its proper divisors (6802346671503).

20144376652017 is a wasteful number, since it uses less digits than its factorization.

20144376652017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15850904.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 20144376652017 in words is "twenty trillion, one hundred forty-four billion, three hundred seventy-six million, six hundred fifty-two thousand, seventeen".