20313033 has 32 divisors (see below), whose sum is σ = 31180800. Its totient is φ = 11658816.

The previous prime is 20313001. The next prime is 20313047. The reversal of 20313033 is 33031302.

It is not a de Polignac number, because 20313033 - 2⁵ = 20313001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20313133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58366 + ... + 58712.

It is an arithmetic number, because the mean of its divisors is an integer number (974400).

Almost surely, 2^20313033 is an apocalyptic number.

It is an amenable number.

20313033 is a deficient number, since it is larger than the sum of its proper divisors (10867767).

20313033 is a wasteful number, since it uses less digits than its factorization.

20313033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

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

The square root of 20313033 is about 4506.9982249830. The cubic root of 20313033 is about 272.8506072568.

Adding to 20313033 its reverse (33031302), we get a palindrome (53344335).

The spelling of 20313033 in words is "twenty million, three hundred thirteen thousand, thirty-three".