20750927 has 2 divisors, whose sum is σ = 20750928. Its totient is φ = 20750926.

The previous prime is 20750867. The next prime is 20750953. The reversal of 20750927 is 72905702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20750927 - 2⁸ = 20750671 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20750893 and 20750902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20750027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10375463 + 10375464.

It is an arithmetic number, because the mean of its divisors is an integer number (10375464).

Almost surely, 2^20750927 is an apocalyptic number.

20750927 is a deficient number, since it is larger than the sum of its proper divisors (1).

20750927 is an equidigital number, since it uses as much as digits as its factorization.

20750927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 20750927 is about 4555.3185399048. The cubic root of 20750927 is about 274.7973250455.

The spelling of 20750927 in words is "twenty million, seven hundred fifty thousand, nine hundred twenty-seven".