20629327 has 2 divisors, whose sum is σ = 20629328. Its totient is φ = 20629326.

The previous prime is 20629319. The next prime is 20629331. The reversal of 20629327 is 72392602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20629327 - 2³ = 20629319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20629127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10314663 + 10314664.

It is an arithmetic number, because the mean of its divisors is an integer number (10314664).

Almost surely, 2^20629327 is an apocalyptic number.

20629327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20629327 is an equidigital number, since it uses as much as digits as its factorization.

20629327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 20629327 is about 4541.9518931843. The cubic root of 20629327 is about 274.2595042669.

The spelling of 20629327 in words is "twenty million, six hundred twenty-nine thousand, three hundred twenty-seven".