20632547753287 has 2 divisors, whose sum is σ = 20632547753288. Its totient is φ = 20632547753286.

The previous prime is 20632547753249. The next prime is 20632547753317. The reversal of 20632547753287 is 78235774523602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20632547753287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20632547756287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10316273876643 + 10316273876644.

It is an arithmetic number, because the mean of its divisors is an integer number (10316273876644).

Almost surely, 2^{20632547753287} is an apocalyptic number.

20632547753287 is a deficient number, since it is larger than the sum of its proper divisors (1).

20632547753287 is an equidigital number, since it uses as much as digits as its factorization.

20632547753287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 118540800, while the sum is 61.

The spelling of 20632547753287 in words is "twenty trillion, six hundred thirty-two billion, five hundred forty-seven million, seven hundred fifty-three thousand, two hundred eighty-seven".