20601353 has 8 divisors (see below), whose sum is σ = 21542976. Its totient is φ = 19663600.

The previous prime is 20601323. The next prime is 20601367. The reversal of 20601353 is 35310602.

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 20601353 - 2¹⁶ = 20535817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20601323) 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, 18338 + ... + 19428.

It is an arithmetic number, because the mean of its divisors is an integer number (2692872).

Almost surely, 2^20601353 is an apocalyptic number.

20601353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20601353 is a deficient number, since it is larger than the sum of its proper divisors (941623).

20601353 is a wasteful number, since it uses less digits than its factorization.

20601353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 20601353 is about 4538.8713354754. The cubic root of 20601353 is about 274.1354800905.

Adding to 20601353 its reverse (35310602), we get a palindrome (55911955).

It can be divided in two parts, 20 and 601353, that multiplied together give a triangular number (12027060 = T₄₉₀₄).

The spelling of 20601353 in words is "twenty million, six hundred one thousand, three hundred fifty-three".