20814272 has 28 divisors (see below), whose sum is σ = 43479720. Its totient is φ = 9858816.

The previous prime is 20814263. The next prime is 20814281. The reversal of 20814272 is 27241802.

It is an interprime number because it is at equal distance from previous prime (20814263) and next prime (20814281).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7343 + ... + 9774.

Almost surely, 2^20814272 is an apocalyptic number.

It is an amenable number.

20814272 is an abundant number, since it is smaller than the sum of its proper divisors (22665448).

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

20814272 is a wasteful number, since it uses less digits than its factorization.

20814272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17148 (or 17138 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 20814272 is about 4562.2661035937. The cubic root of 20814272 is about 275.0766596199.

The spelling of 20814272 in words is "twenty million, eight hundred fourteen thousand, two hundred seventy-two".