20030232 has 16 divisors (see below), whose sum is σ = 50075640. Its totient is φ = 6676736.

The previous prime is 20030207. The next prime is 20030239. The reversal of 20030232 is 23203002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030239) 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, 417273 + ... + 417320.

Almost surely, 2^20030232 is an apocalyptic number.

It is an amenable number.

20030232 is an abundant number, since it is smaller than the sum of its proper divisors (30045408).

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

20030232 is a wasteful number, since it uses less digits than its factorization.

20030232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834602 (or 834598 counting only the distinct ones).

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

The square root of 20030232 is about 4475.5147190016. The cubic root of 20030232 is about 271.5784632589.

Adding to 20030232 its reverse (23203002), we get a palindrome (43233234).

The spelling of 20030232 in words is "twenty million, thirty thousand, two hundred thirty-two".