20146645024301 has 4 divisors (see below), whose sum is σ = 20526770402172. Its totient is φ = 19766519646432.

The previous prime is 20146645024241. The next prime is 20146645024351. The reversal of 20146645024301 is 10342054664102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5624059680100 + 14522585344201 = 2371510^2 + 3810851^2 .

It is a cyclic number.

It is not a de Polignac number, because 20146645024301 - 2¹⁰ = 20146645023277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20146645024351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190062688856 + ... + 190062688961.

It is an arithmetic number, because the mean of its divisors is an integer number (5131692600543).

Almost surely, 2^{20146645024301} is an apocalyptic number.

It is an amenable number.

20146645024301 is a deficient number, since it is larger than the sum of its proper divisors (380125377871).

20146645024301 is an equidigital number, since it uses as much as digits as its factorization.

20146645024301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380125377870.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 20146645024301 its reverse (10342054664102), we get a palindrome (30488699688403).

The spelling of 20146645024301 in words is "twenty trillion, one hundred forty-six billion, six hundred forty-five million, twenty-four thousand, three hundred one".