20695627 has 2 divisors, whose sum is σ = 20695628. Its totient is φ = 20695626.

The previous prime is 20695601. The next prime is 20695639. The reversal of 20695627 is 72659602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20695627 - 2¹⁹ = 20171339 is a prime.

It is not a weakly prime, because it can be changed into another prime (20695657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10347813 + 10347814.

It is an arithmetic number, because the mean of its divisors is an integer number (10347814).

Almost surely, 2^20695627 is an apocalyptic number.

20695627 is a deficient number, since it is larger than the sum of its proper divisors (1).

20695627 is an equidigital number, since it uses as much as digits as its factorization.

20695627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 20695627 is about 4549.2446625786. The cubic root of 20695627 is about 274.5530016445.

The spelling of 20695627 in words is "twenty million, six hundred ninety-five thousand, six hundred twenty-seven".