20010044 has 24 divisors (see below), whose sum is σ = 36656928. Its totient is φ = 9547200.

The previous prime is 20010041. The next prime is 20010061. The reversal of 20010044 is 44001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6569 + ... + 9119.

It is an arithmetic number, because the mean of its divisors is an integer number (1527372).

Almost surely, 2^20010044 is an apocalyptic number.

It is an amenable number.

20010044 is a deficient number, since it is larger than the sum of its proper divisors (16646884).

20010044 is a wasteful number, since it uses less digits than its factorization.

20010044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20010044 is about 4473.2587673865. The cubic root of 20010044 is about 271.4871934060.

Adding to 20010044 its reverse (44001002), we get a palindrome (64011046).

The spelling of 20010044 in words is "twenty million, ten thousand, forty-four".