20776127 has 2 divisors, whose sum is σ = 20776128. Its totient is φ = 20776126.

The previous prime is 20776121. The next prime is 20776141. The reversal of 20776127 is 72167702.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20776127 - 2⁴ = 20776111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20776093 and 20776102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20776121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10388063 + 10388064.

It is an arithmetic number, because the mean of its divisors is an integer number (10388064).

Almost surely, 2^20776127 is an apocalyptic number.

20776127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20776127 is an equidigital number, since it uses as much as digits as its factorization.

20776127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 20776127 is about 4558.0836982223. The cubic root of 20776127 is about 274.9085183314.

The spelling of 20776127 in words is "twenty million, seven hundred seventy-six thousand, one hundred twenty-seven".