20433366 has 12 divisors (see below), whose sum is σ = 44272332. Its totient is φ = 6811116.

The previous prime is 20433349. The next prime is 20433367. The reversal of 20433366 is 66333402.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567576 + ... + 567611.

It is an arithmetic number, because the mean of its divisors is an integer number (3689361).

Almost surely, 2^20433366 is an apocalyptic number.

20433366 is an abundant number, since it is smaller than the sum of its proper divisors (23838966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20433366 is a wasteful number, since it uses less digits than its factorization.

20433366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135195 (or 1135192 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 20433366 is about 4520.3280854380. The cubic root of 20433366 is about 273.3883295378.

Adding to 20433366 its reverse (66333402), we get a palindrome (86766768).

The spelling of 20433366 in words is "twenty million, four hundred thirty-three thousand, three hundred sixty-six".