20023353 has 12 divisors (see below), whose sum is σ = 33054528. Its totient is φ = 11441880.

The previous prime is 20023343. The next prime is 20023379. The reversal of 20023353 is 35332002.

It is not a de Polignac number, because 20023353 - 2⁹ = 20022841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158853 + ... + 158978.

It is an arithmetic number, because the mean of its divisors is an integer number (2754544).

Almost surely, 2^20023353 is an apocalyptic number.

It is an amenable number.

20023353 is a deficient number, since it is larger than the sum of its proper divisors (13031175).

20023353 is a wasteful number, since it uses less digits than its factorization.

20023353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317844 (or 317841 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 20023353 is about 4474.7461380507. The cubic root of 20023353 is about 271.5473702232.

Adding to 20023353 its reverse (35332002), we get a palindrome (55355355).

The spelling of 20023353 in words is "twenty million, twenty-three thousand, three hundred fifty-three".