20146627 has 2 divisors, whose sum is σ = 20146628. Its totient is φ = 20146626.

The previous prime is 20146591. The next prime is 20146639. The reversal of 20146627 is 72664102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20146627 - 2¹⁵ = 20113859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20146595 and 20146604.

It is not a weakly prime, because it can be changed into another prime (20146927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10073313 + 10073314.

It is an arithmetic number, because the mean of its divisors is an integer number (10073314).

Almost surely, 2^20146627 is an apocalyptic number.

20146627 is a deficient number, since it is larger than the sum of its proper divisors (1).

20146627 is an equidigital number, since it uses as much as digits as its factorization.

20146627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20146627 is about 4488.4994151721. The cubic root of 20146627 is about 272.1034920120.

The spelling of 20146627 in words is "twenty million, one hundred forty-six thousand, six hundred twenty-seven".