20033313 has 16 divisors (see below), whose sum is σ = 27631296. Its totient is φ = 12902400.

The previous prime is 20033309. The next prime is 20033323. The reversal of 20033313 is 31333002.

It is not a de Polignac number, because 20033313 - 2² = 20033309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20033292 and 20033301.

It is not an unprimeable number, because it can be changed into a prime (20033323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11713 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (1726956).

Almost surely, 2^20033313 is an apocalyptic number.

It is an amenable number.

20033313 is a deficient number, since it is larger than the sum of its proper divisors (7597983).

20033313 is a wasteful number, since it uses less digits than its factorization.

20033313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 20033313 is about 4475.8589119855. The cubic root of 20033313 is about 271.5923870508.

Adding to 20033313 its reverse (31333002), we get a palindrome (51366315).

The spelling of 20033313 in words is "twenty million, thirty-three thousand, three hundred thirteen".