20601232 has 20 divisors (see below), whose sum is σ = 40183936. Its totient is φ = 10231200.

The previous prime is 20601211. The next prime is 20601233. The reversal of 20601232 is 23210602.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (20601233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848 + ... + 6679.

Almost surely, 2^20601232 is an apocalyptic number.

It is an amenable number.

20601232 is a deficient number, since it is larger than the sum of its proper divisors (19582704).

20601232 is a wasteful number, since it uses less digits than its factorization.

20601232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8686 (or 8680 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20601232 is about 4538.8580061509. The cubic root of 20601232 is about 274.1349433869.

Adding to 20601232 its reverse (23210602), we get a palindrome (43811834).

The spelling of 20601232 in words is "twenty million, six hundred one thousand, two hundred thirty-two".