20363025567641 has 8 divisors (see below), whose sum is σ = 20452906233480. Its totient is φ = 20273153242752.

The previous prime is 20363025567607. The next prime is 20363025567659. The reversal of 20363025567641 is 14676552036302.

It can be written as a sum of positive squares in 4 ways, for example, as 254213606416 + 20108811961225 = 504196^2 + 4484285^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20363025567641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20363025567641.

It is not an unprimeable number, because it can be changed into a prime (20363025567691) 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 7 ways as a sum of consecutive naturals, for example, 2833751 + ... + 6982563.

It is an arithmetic number, because the mean of its divisors is an integer number (2556613279185).

Almost surely, 2^{20363025567641} is an apocalyptic number.

It is an amenable number.

20363025567641 is a deficient number, since it is larger than the sum of its proper divisors (89880665839).

20363025567641 is a wasteful number, since it uses less digits than its factorization.

20363025567641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170475.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 20363025567641 in words is "twenty trillion, three hundred sixty-three billion, twenty-five million, five hundred sixty-seven thousand, six hundred forty-one".