20006353 has 8 divisors (see below), whose sum is σ = 20473640. Its totient is φ = 19543680.

The previous prime is 20006351. The next prime is 20006359. The reversal of 20006353 is 35360002.

It can be written as a sum of positive squares in 4 ways, for example, as 795664 + 19210689 = 892^2 + 4383^2 .

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 20006353 - 2¹ = 20006351 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 20006353.

It is not an unprimeable number, because it can be changed into a prime (20006351) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8533 + ... + 10621.

It is an arithmetic number, because the mean of its divisors is an integer number (2559205).

Almost surely, 2^20006353 is an apocalyptic number.

It is an amenable number.

20006353 is a deficient number, since it is larger than the sum of its proper divisors (467287).

20006353 is a wasteful number, since it uses less digits than its factorization.

20006353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 20006353 is about 4472.8461855959. The cubic root of 20006353 is about 271.4704997753.

Adding to 20006353 its reverse (35360002), we get a palindrome (55366355).

The spelling of 20006353 in words is "twenty million, six thousand, three hundred fifty-three".