20433532 has 24 divisors (see below), whose sum is σ = 41739264. Its totient is φ = 8570352.

The previous prime is 20433481. The next prime is 20433533. The reversal of 20433532 is 23533402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6448 + ... + 9079.

It is an arithmetic number, because the mean of its divisors is an integer number (1739136).

Almost surely, 2^20433532 is an apocalyptic number.

It is an amenable number.

20433532 is an abundant number, since it is smaller than the sum of its proper divisors (21305732).

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

20433532 is a wasteful number, since it uses less digits than its factorization.

20433532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15585 (or 15583 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 20433532 is about 4520.3464468998. The cubic root of 20433532 is about 273.3890698685.

Adding to 20433532 its reverse (23533402), we get a palindrome (43966934).

The spelling of 20433532 in words is "twenty million, four hundred thirty-three thousand, five hundred thirty-two".