20144584586363 has 4 divisors (see below), whose sum is σ = 20486018223480. Its totient is φ = 19803150949248.

The previous prime is 20144584586353. The next prime is 20144584586377. The reversal of 20144584586363 is 36368548544102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20144584586363 - 2²² = 20144580392059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59), and also a Moran number because the ratio is a prime number: 341433637057 = 20144584586363 / (2 + 0 + 1 + 4 + 4 + 5 + 8 + 4 + 5 + 8 + 6 + 3 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20144584586353) 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, 170716818470 + ... + 170716818587.

It is an arithmetic number, because the mean of its divisors is an integer number (5121504555870).

Almost surely, 2^{20144584586363} is an apocalyptic number.

20144584586363 is a deficient number, since it is larger than the sum of its proper divisors (341433637117).

20144584586363 is an equidigital number, since it uses as much as digits as its factorization.

20144584586363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341433637116.

The product of its (nonzero) digits is 66355200, while the sum is 59.

The spelling of 20144584586363 in words is "twenty trillion, one hundred forty-four billion, five hundred eighty-four million, five hundred eighty-six thousand, three hundred sixty-three".