20775127 has 2 divisors, whose sum is σ = 20775128. Its totient is φ = 20775126.

The previous prime is 20775121. The next prime is 20775133. The reversal of 20775127 is 72157702.

It is a balanced prime because it is at equal distance from previous prime (20775121) and next prime (20775133).

It is a cyclic number.

It is not a de Polignac number, because 20775127 - 2¹¹ = 20773079 is a prime.

It is a super-2 number, since 2×20775127² = 863211803732258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20775121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10387563 + 10387564.

It is an arithmetic number, because the mean of its divisors is an integer number (10387564).

Almost surely, 2^20775127 is an apocalyptic number.

20775127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20775127 is an equidigital number, since it uses as much as digits as its factorization.

20775127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 20775127 is about 4557.9740016810. The cubic root of 20775127 is about 274.9041076131.

It can be divided in two parts, 20775 and 127, that added together give a palindrome (20902).

The spelling of 20775127 in words is "twenty million, seven hundred seventy-five thousand, one hundred twenty-seven".