20053271 has 8 divisors (see below), whose sum is σ = 22947744. Its totient is φ = 17166240.

The previous prime is 20053259. The next prime is 20053277. The reversal of 20053271 is 17235002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20053271 - 2¹⁸ = 19791127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053277) 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, 6341 + ... + 8961.

It is an arithmetic number, because the mean of its divisors is an integer number (2868468).

Almost surely, 2^20053271 is an apocalyptic number.

20053271 is a deficient number, since it is larger than the sum of its proper divisors (2894473).

20053271 is a wasteful number, since it uses less digits than its factorization.

20053271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20053271 is about 4478.0878731887. The cubic root of 20053271 is about 271.6825475722.

Adding to 20053271 its reverse (17235002), we get a palindrome (37288273).

The spelling of 20053271 in words is "twenty million, fifty-three thousand, two hundred seventy-one".