20460232 has 32 divisors (see below), whose sum is σ = 41703480. Its totient is φ = 9354240.

The previous prime is 20460199. The next prime is 20460239. The reversal of 20460232 is 23206402.

It can be written as a sum of positive squares in 4 ways, for example, as 1572516 + 18887716 = 1254^2 + 4346^2 .

It is not an unprimeable number, because it can be changed into a prime (20460239) 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, 10882 + ... + 12622.

Almost surely, 2^20460232 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 20460232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20851740).

20460232 is an abundant number, since it is smaller than the sum of its proper divisors (21243248).

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

20460232 is a wasteful number, since it uses less digits than its factorization.

20460232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20460232 is about 4523.2987962327. The cubic root of 20460232 is about 273.5080949937.

Adding to 20460232 its reverse (23206402), we get a palindrome (43666634).

The spelling of 20460232 in words is "twenty million, four hundred sixty thousand, two hundred thirty-two".