20003232 has 24 divisors (see below), whose sum is σ = 52508736. Its totient is φ = 6667712.

The previous prime is 20003231. The next prime is 20003267. The reversal of 20003232 is 23230002.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20003231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104088 + ... + 104279.

It is an arithmetic number, because the mean of its divisors is an integer number (2187864).

Almost surely, 2^20003232 is an apocalyptic number.

It is an amenable number.

20003232 is an abundant number, since it is smaller than the sum of its proper divisors (32505504).

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

20003232 is a wasteful number, since it uses less digits than its factorization.

20003232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208380 (or 208372 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20003232 is about 4472.4972889874. The cubic root of 20003232 is about 271.4563825348.

Adding to 20003232 its reverse (23230002), we get a palindrome (43233234).

The spelling of 20003232 in words is "twenty million, three thousand, two hundred thirty-two".