20630927 has 8 divisors (see below), whose sum is σ = 21225600. Its totient is φ = 20041560.

The previous prime is 20630893. The next prime is 20630963. The reversal of 20630927 is 72903602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20630927 - 2¹⁸ = 20368783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20630927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20630327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7352 + ... + 9762.

It is an arithmetic number, because the mean of its divisors is an integer number (2653200).

Almost surely, 2^20630927 is an apocalyptic number.

20630927 is a deficient number, since it is larger than the sum of its proper divisors (594673).

20630927 is a wasteful number, since it uses less digits than its factorization.

20630927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 20630927 is about 4542.1280254964. The cubic root of 20630927 is about 274.2665945590.

The spelling of 20630927 in words is "twenty million, six hundred thirty thousand, nine hundred twenty-seven".