20750009520263 has 2 divisors, whose sum is σ = 20750009520264. Its totient is φ = 20750009520262.

The previous prime is 20750009520239. The next prime is 20750009520269. The reversal of 20750009520263 is 36202590005702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20750009520263 - 2¹⁴ = 20750009503879 is a prime.

It is a super-4 number, since 4×20750009520263⁴ (a number of 54 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20750009520263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20750009520269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10375004760131 + 10375004760132.

It is an arithmetic number, because the mean of its divisors is an integer number (10375004760132).

Almost surely, 2^{20750009520263} is an apocalyptic number.

20750009520263 is a deficient number, since it is larger than the sum of its proper divisors (1).

20750009520263 is an equidigital number, since it uses as much as digits as its factorization.

20750009520263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 41.

Adding to 20750009520263 its reverse (36202590005702), we get a palindrome (56952599525965).

The spelling of 20750009520263 in words is "twenty trillion, seven hundred fifty billion, nine million, five hundred twenty thousand, two hundred sixty-three".