20130873 has 48 divisors (see below), whose sum is σ = 33951744. Its totient is φ = 10379520.

The previous prime is 20130841. The next prime is 20130881. The reversal of 20130873 is 37803102.

It is not a de Polignac number, because 20130873 - 2⁵ = 20130841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188086 + ... + 188192.

It is an arithmetic number, because the mean of its divisors is an integer number (707328).

Almost surely, 2^20130873 is an apocalyptic number.

It is an amenable number.

20130873 is a deficient number, since it is larger than the sum of its proper divisors (13820871).

20130873 is a wasteful number, since it uses less digits than its factorization.

20130873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20130873 is about 4486.7441424712. The cubic root of 20130873 is about 272.0325481884.

Adding to 20130873 its reverse (37803102), we get a palindrome (57933975).

The spelling of 20130873 in words is "twenty million, one hundred thirty thousand, eight hundred seventy-three".