20330653 has 8 divisors (see below), whose sum is σ = 24036480. Its totient is φ = 16825200.

The previous prime is 20330647. The next prime is 20330671. The reversal of 20330653 is 35603302.

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

It is not a de Polignac number, because 20330653 - 2¹⁷ = 20199581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49873 + ... + 50278.

It is an arithmetic number, because the mean of its divisors is an integer number (3004560).

Almost surely, 2^20330653 is an apocalyptic number.

It is an amenable number.

20330653 is a deficient number, since it is larger than the sum of its proper divisors (3705827).

20330653 is a wasteful number, since it uses less digits than its factorization.

20330653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100187.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 20330653 is about 4508.9525391159. The cubic root of 20330653 is about 272.9294767900.

Adding to 20330653 its reverse (35603302), we get a palindrome (55933955).

The spelling of 20330653 in words is "twenty million, three hundred thirty thousand, six hundred fifty-three".