20088427 has 2 divisors, whose sum is σ = 20088428. Its totient is φ = 20088426.

The previous prime is 20088391. The next prime is 20088433. The reversal of 20088427 is 72488002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20088427 - 2²³ = 11699819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20088437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10044213 + 10044214.

It is an arithmetic number, because the mean of its divisors is an integer number (10044214).

Almost surely, 2^20088427 is an apocalyptic number.

20088427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20088427 is an equidigital number, since it uses as much as digits as its factorization.

20088427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 20088427 is about 4482.0114903913. The cubic root of 20088427 is about 271.8412198661.

The spelling of 20088427 in words is "twenty million, eighty-eight thousand, four hundred twenty-seven".