20630327 has 2 divisors, whose sum is σ = 20630328. Its totient is φ = 20630326.

The previous prime is 20630317. The next prime is 20630359. The reversal of 20630327 is 72303602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20630327 - 2¹² = 20626231 is a prime.

It is a super-2 number, since 2×20630327² = 851220784253858, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20630317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10315163 + 10315164.

It is an arithmetic number, because the mean of its divisors is an integer number (10315164).

Almost surely, 2^20630327 is an apocalyptic number.

20630327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20630327 is an equidigital number, since it uses as much as digits as its factorization.

20630327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 20630327 is about 4542.0619766798. The cubic root of 20630327 is about 274.2639357424.

Adding to 20630327 its reverse (72303602), we get a palindrome (92933929).

The spelling of 20630327 in words is "twenty million, six hundred thirty thousand, three hundred twenty-seven".