20053071 has 6 divisors (see below), whose sum is σ = 28965560. Its totient is φ = 13368708.

The previous prime is 20053043. The next prime is 20053091. The reversal of 20053071 is 17035002.

It is not a de Polignac number, because 20053071 - 2⁹ = 20052559 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 (20053021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1114051 + ... + 1114068.

Almost surely, 2^20053071 is an apocalyptic number.

20053071 is a deficient number, since it is larger than the sum of its proper divisors (8912489).

20053071 is a wasteful number, since it uses less digits than its factorization.

20053071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228125 (or 2228122 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 20053071 is about 4478.0655421733. The cubic root of 20053071 is about 271.6816443664.

Adding to 20053071 its reverse (17035002), we get a palindrome (37088073).

The spelling of 20053071 in words is "twenty million, fifty-three thousand, seventy-one".