20104422427 has 2 divisors, whose sum is σ = 20104422428. Its totient is φ = 20104422426.

The previous prime is 20104422419. The next prime is 20104422461. The reversal of 20104422427 is 72422440102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20104422427 - 2³ = 20104422419 is a prime.

It is a super-2 number, since 2×20104422427² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20104422395 and 20104422404.

It is not a weakly prime, because it can be changed into another prime (20104422407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052211213 + 10052211214.

It is an arithmetic number, because the mean of its divisors is an integer number (10052211214).

Almost surely, 2^20104422427 is an apocalyptic number.

20104422427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20104422427 is an equidigital number, since it uses as much as digits as its factorization.

20104422427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 20104422427 its reverse (72422440102), we get a palindrome (92526862529).

The spelling of 20104422427 in words is "twenty billion, one hundred four million, four hundred twenty-two thousand, four hundred twenty-seven".