20514420127 has 2 divisors, whose sum is σ = 20514420128. Its totient is φ = 20514420126.

The previous prime is 20514420077. The next prime is 20514420161. The reversal of 20514420127 is 72102441502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20514420127 - 2⁷ = 20514419999 is a prime.

It is a super-2 number, since 2×20514420127² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20514420095 and 20514420104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20514420197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10257210063 + 10257210064.

It is an arithmetic number, because the mean of its divisors is an integer number (10257210064).

Almost surely, 2^20514420127 is an apocalyptic number.

20514420127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20514420127 is an equidigital number, since it uses as much as digits as its factorization.

20514420127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 20514420127 its reverse (72102441502), we get a palindrome (92616861629).

The spelling of 20514420127 in words is "twenty billion, five hundred fourteen million, four hundred twenty thousand, one hundred twenty-seven".