20334272 has 28 divisors (see below), whose sum is σ = 46116240. Its totient is φ = 8714496.

The previous prime is 20334271. The next prime is 20334283. The reversal of 20334272 is 27243302.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (20334271) 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, 22247 + ... + 23142.

Almost surely, 2^20334272 is an apocalyptic number.

It is an amenable number.

20334272 is an abundant number, since it is smaller than the sum of its proper divisors (25781968).

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

20334272 is an equidigital number, since it uses as much as digits as its factorization.

20334272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45408 (or 45398 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 20334272 is about 4509.3538339767. The cubic root of 20334272 is about 272.9456702881.

Adding to 20334272 its reverse (27243302), we get a palindrome (47577574).

The spelling of 20334272 in words is "twenty million, three hundred thirty-four thousand, two hundred seventy-two".