20245232 has 100 divisors (see below), whose sum is σ = 50014656. Its totient is φ = 7902720.

The previous prime is 20245223. The next prime is 20245237. The reversal of 20245232 is 23254202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20245237) 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 19 ways as a sum of consecutive naturals, for example, 653057 + ... + 653087.

Almost surely, 2^20245232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20245232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25007328).

20245232 is an abundant number, since it is smaller than the sum of its proper divisors (29769424).

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

20245232 is an equidigital number, since it uses as much as digits as its factorization.

20245232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20245232 is about 4499.4701910336. The cubic root of 20245232 is about 272.5466945765.

Adding to 20245232 its reverse (23254202), we get a palindrome (43499434).

The spelling of 20245232 in words is "twenty million, two hundred forty-five thousand, two hundred thirty-two".