20152127 has 2 divisors, whose sum is σ = 20152128. Its totient is φ = 20152126.

The previous prime is 20152073. The next prime is 20152159. The reversal of 20152127 is 72125102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20152127 - 2⁶ = 20152063 is a prime.

It is a super-2 number, since 2×20152127² = 812216445248258, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20152099 and 20152108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20152177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076063 + 10076064.

It is an arithmetic number, because the mean of its divisors is an integer number (10076064).

Almost surely, 2^20152127 is an apocalyptic number.

20152127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20152127 is an equidigital number, since it uses as much as digits as its factorization.

20152127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 20152127 is about 4489.1120502834. The cubic root of 20152127 is about 272.1282510455.

Adding to 20152127 its reverse (72125102), we get a palindrome (92277229).

The spelling of 20152127 in words is "twenty million, one hundred fifty-two thousand, one hundred twenty-seven".