20368653 has 8 divisors (see below), whose sum is σ = 27213600. Its totient is φ = 13551408.

The previous prime is 20368651. The next prime is 20368657. The reversal of 20368653 is 35686302.

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

It is not a de Polignac number, because 20368653 - 2¹ = 20368651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20368651) 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, 5143 + ... + 8196.

It is an arithmetic number, because the mean of its divisors is an integer number (3401700).

Almost surely, 2^20368653 is an apocalyptic number.

It is an amenable number.

20368653 is a deficient number, since it is larger than the sum of its proper divisors (6844947).

20368653 is a wasteful number, since it uses less digits than its factorization.

20368653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13851.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 20368653 is about 4513.1644109206. The cubic root of 20368653 is about 273.0994150132.

The spelling of 20368653 in words is "twenty million, three hundred sixty-eight thousand, six hundred fifty-three".