20415660002303 has 2 divisors, whose sum is σ = 20415660002304. Its totient is φ = 20415660002302.

The previous prime is 20415660002279. The next prime is 20415660002393. The reversal of 20415660002303 is 30320006651402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20415660002303 - 2¹⁰ = 20415660001279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20415660002303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20415660002393) 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 as a sum of consecutive naturals, namely, 10207830001151 + 10207830001152.

It is an arithmetic number, because the mean of its divisors is an integer number (10207830001152).

Almost surely, 2^{20415660002303} is an apocalyptic number.

20415660002303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20415660002303 is an equidigital number, since it uses as much as digits as its factorization.

20415660002303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 20415660002303 its reverse (30320006651402), we get a palindrome (50735666653705).

The spelling of 20415660002303 in words is "twenty trillion, four hundred fifteen billion, six hundred sixty million, two thousand, three hundred three".