20022127 has 2 divisors, whose sum is σ = 20022128. Its totient is φ = 20022126.

The previous prime is 20022113. The next prime is 20022137. The reversal of 20022127 is 72122002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022127 - 2⁷ = 20021999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20022127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022137) 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, 10011063 + 10011064.

It is an arithmetic number, because the mean of its divisors is an integer number (10011064).

Almost surely, 2^20022127 is an apocalyptic number.

20022127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022127 is an equidigital number, since it uses as much as digits as its factorization.

20022127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 20022127 is about 4474.6091449422. The cubic root of 20022127 is about 271.5418279634.

Adding to 20022127 its reverse (72122002), we get a palindrome (92144129).

The spelling of 20022127 in words is "twenty million, twenty-two thousand, one hundred twenty-seven".