20130044 has 48 divisors (see below), whose sum is σ = 40992000. Its totient is φ = 8624880.

The previous prime is 20130043. The next prime is 20130079. The reversal of 20130044 is 44003102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101057 + ... + 101255.

It is an arithmetic number, because the mean of its divisors is an integer number (854000).

Almost surely, 2^20130044 is an apocalyptic number.

It is an amenable number.

20130044 is an abundant number, since it is smaller than the sum of its proper divisors (20861956).

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

20130044 is a wasteful number, since it uses less digits than its factorization.

20130044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20130044 is about 4486.6517582714. The cubic root of 20130044 is about 272.0288139890.

Adding to 20130044 its reverse (44003102), we get a palindrome (64133146).

The spelling of 20130044 in words is "twenty million, one hundred thirty thousand, forty-four".