20323033 has 4 divisors (see below), whose sum is σ = 20520448. Its totient is φ = 20125620.

The previous prime is 20323031. The next prime is 20323049. The reversal of 20323033 is 33032302.

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 a cyclic number.

It is not a de Polignac number, because 20323033 - 2¹ = 20323031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20322998 and 20323016.

It is not an unprimeable number, because it can be changed into a prime (20323031) 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, 98553 + ... + 98758.

It is an arithmetic number, because the mean of its divisors is an integer number (5130112).

Almost surely, 2^20323033 is an apocalyptic number.

It is an amenable number.

20323033 is a deficient number, since it is larger than the sum of its proper divisors (197415).

20323033 is a wasteful number, since it uses less digits than its factorization.

20323033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197414.

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 20323033 is about 4508.1074743178. The cubic root of 20323033 is about 272.8953742209.

Adding to 20323033 its reverse (33032302), we get a palindrome (53355335).

The spelling of 20323033 in words is "twenty million, three hundred twenty-three thousand, thirty-three".