20799127 has 2 divisors, whose sum is σ = 20799128. Its totient is φ = 20799126.

The previous prime is 20799101. The next prime is 20799131. The reversal of 20799127 is 72199702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20799127 - 2¹⁵ = 20766359 is a prime.

It is a super-3 number, since 3×20799127³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20799137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10399563 + 10399564.

It is an arithmetic number, because the mean of its divisors is an integer number (10399564).

Almost surely, 2^20799127 is an apocalyptic number.

20799127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20799127 is an equidigital number, since it uses as much as digits as its factorization.

20799127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 20799127 is about 4560.6059904359. The cubic root of 20799127 is about 275.0099258125.

The spelling of 20799127 in words is "twenty million, seven hundred ninety-nine thousand, one hundred twenty-seven".