20433452 has 36 divisors (see below), whose sum is σ = 39167856. Its totient is φ = 9322560.

The previous prime is 20433443. The next prime is 20433463. The reversal of 20433452 is 25433402.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 112802 + ... + 112982.

It is an arithmetic number, because the mean of its divisors is an integer number (1087996).

Almost surely, 2^20433452 is an apocalyptic number.

It is an amenable number.

20433452 is a deficient number, since it is larger than the sum of its proper divisors (18734404).

20433452 is a wasteful number, since it uses less digits than its factorization.

20433452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 20433452 is about 4520.3375980119. The cubic root of 20433452 is about 273.3887130831.

Adding to 20433452 its reverse (25433402), we get a palindrome (45866854).

The spelling of 20433452 in words is "twenty million, four hundred thirty-three thousand, four hundred fifty-two".