20146602014563 has 8 divisors (see below), whose sum is σ = 20301029850816. Its totient is φ = 19992183829800.

The previous prime is 20146602014507. The next prime is 20146602014579. The reversal of 20146602014563 is 36541020664102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20146602014563 - 2¹⁷ = 20146601883491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20146602014863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806108 + ... + 6599638.

It is an arithmetic number, because the mean of its divisors is an integer number (2537628731352).

Almost surely, 2^{20146602014563} is an apocalyptic number.

20146602014563 is a deficient number, since it is larger than the sum of its proper divisors (154427836253).

20146602014563 is a wasteful number, since it uses less digits than its factorization.

20146602014563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825745.

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 20146602014563 its reverse (36541020664102), we get a palindrome (56687622678665).

The spelling of 20146602014563 in words is "twenty trillion, one hundred forty-six billion, six hundred two million, fourteen thousand, five hundred sixty-three".