20330630 has 8 divisors (see below), whose sum is σ = 36595152. Its totient is φ = 8132248.

The previous prime is 20330591. The next prime is 20330647. The reversal of 20330630 is 3603302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20330599 and 20330608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016522 + ... + 1016541.

It is an arithmetic number, because the mean of its divisors is an integer number (4574394).

Almost surely, 2^20330630 is an apocalyptic number.

20330630 is a deficient number, since it is larger than the sum of its proper divisors (16264522).

20330630 is a wasteful number, since it uses less digits than its factorization.

20330630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033070.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 20330630 is about 4508.9499886337. The cubic root of 20330630 is about 272.9293738685.

Adding to 20330630 its reverse (3603302), we get a palindrome (23933932).

The spelling of 20330630 in words is "twenty million, three hundred thirty thousand, six hundred thirty".