20323433 has 12 divisors (see below), whose sum is σ = 22432140. Its totient is φ = 18398016.

The previous prime is 20323427. The next prime is 20323441. The reversal of 20323433 is 33432302.

It can be written as a sum of positive squares in 6 ways, for example, as 5822569 + 14500864 = 2413^2 + 3808^2 .

It is not a de Polignac number, because 20323433 - 2²² = 16129129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323423) 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, 7823 + ... + 10091.

It is an arithmetic number, because the mean of its divisors is an integer number (1869345).

Almost surely, 2^20323433 is an apocalyptic number.

It is an amenable number.

20323433 is a deficient number, since it is larger than the sum of its proper divisors (2108707).

20323433 is a wasteful number, since it uses less digits than its factorization.

20323433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 20323433 is about 4508.1518386141. The cubic root of 20323433 is about 272.8971645939.

Adding to 20323433 its reverse (33432302), we get a palindrome (53755735).

The spelling of 20323433 in words is "twenty million, three hundred twenty-three thousand, four hundred thirty-three".