20814033 has 4 divisors (see below), whose sum is σ = 27752048. Its totient is φ = 13876020.

The previous prime is 20814029. The next prime is 20814037. The reversal of 20814033 is 33041802.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (20814029) and next prime (20814037).

It is not a de Polignac number, because 20814033 - 2² = 20814029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20814037) 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 3 ways as a sum of consecutive naturals, for example, 3469003 + ... + 3469008.

It is an arithmetic number, because the mean of its divisors is an integer number (6938012).

Almost surely, 2^20814033 is an apocalyptic number.

It is an amenable number.

20814033 is a deficient number, since it is larger than the sum of its proper divisors (6938015).

20814033 is an equidigital number, since it uses as much as digits as its factorization.

20814033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6938014.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20814033 is about 4562.2399103949. The cubic root of 20814033 is about 275.0756067595.

Adding to 20814033 its reverse (33041802), we get a palindrome (53855835).

It can be divided in two parts, 208 and 14033, that added together give a palindrome (14241).

The spelling of 20814033 in words is "twenty million, eight hundred fourteen thousand, thirty-three".