20368630 has 8 divisors (see below), whose sum is σ = 36663552. Its totient is φ = 8147448.

The previous prime is 20368619. The next prime is 20368633. The reversal of 20368630 is 3686302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20368633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018422 + ... + 1018441.

It is an arithmetic number, because the mean of its divisors is an integer number (4582944).

Almost surely, 2^20368630 is an apocalyptic number.

20368630 is a deficient number, since it is larger than the sum of its proper divisors (16294922).

20368630 is a wasteful number, since it uses less digits than its factorization.

20368630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036870.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 20368630 is about 4513.1618628186. The cubic root of 20368630 is about 273.0993122198.

The spelling of 20368630 in words is "twenty million, three hundred sixty-eight thousand, six hundred thirty".