20627830127 has 2 divisors, whose sum is σ = 20627830128. Its totient is φ = 20627830126.

The previous prime is 20627830109. The next prime is 20627830129. The reversal of 20627830127 is 72103872602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20627830127 - 2²⁰ = 20626781551 is a prime.

It is a super-2 number, since 2×20627830127² (a number of 21 digits) contains 22 as substring.

Together with 20627830129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20627830129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10313915063 + 10313915064.

It is an arithmetic number, because the mean of its divisors is an integer number (10313915064).

Almost surely, 2^20627830127 is an apocalyptic number.

20627830127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20627830127 is an equidigital number, since it uses as much as digits as its factorization.

20627830127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 20627830127 in words is "twenty billion, six hundred twenty-seven million, eight hundred thirty thousand, one hundred twenty-seven".