20301232 has 40 divisors (see below), whose sum is σ = 46059552. Its totient is φ = 8486400.

The previous prime is 20301221. The next prime is 20301257. The reversal of 20301232 is 23210302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382 + ... + 6802.

Almost surely, 2^20301232 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 20301232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23029776).

20301232 is an abundant number, since it is smaller than the sum of its proper divisors (25758320).

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

20301232 is a wasteful number, since it uses less digits than its factorization.

20301232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477 (or 4471 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20301232 is about 4505.6888485558. The cubic root of 20301232 is about 272.7977588588.

Adding to 20301232 its reverse (23210302), we get a palindrome (43511534).

The spelling of 20301232 in words is "twenty million, three hundred one thousand, two hundred thirty-two".