20202432 has 56 divisors (see below), whose sum is σ = 54717696. Its totient is φ = 6574848.

The previous prime is 20202419. The next prime is 20202437. The reversal of 20202432 is 23420202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202437) 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, 7033 + ... + 9479.

Almost surely, 2^20202432 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 20202432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27358848).

20202432 is an abundant number, since it is smaller than the sum of its proper divisors (34515264).

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

20202432 is a wasteful number, since it uses less digits than its factorization.

20202432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505 (or 2495 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20202432 is about 4494.7115591548. The cubic root of 20202432 is about 272.3544974140.

Adding to 20202432 its reverse (23420202), we get a palindrome (43622634).

The spelling of 20202432 in words is "twenty million, two hundred two thousand, four hundred thirty-two".