20023044 has 12 divisors (see below), whose sum is σ = 46720464. Its totient is φ = 6674344.

The previous prime is 20023043. The next prime is 20023049. The reversal of 20023044 is 44032002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20023043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834282 + ... + 834305.

It is an arithmetic number, because the mean of its divisors is an integer number (3893372).

Almost surely, 2^20023044 is an apocalyptic number.

It is an amenable number.

20023044 is an abundant number, since it is smaller than the sum of its proper divisors (26697420).

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

20023044 is a wasteful number, since it uses less digits than its factorization.

20023044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668594 (or 1668592 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20023044 is about 4474.7116108192. The cubic root of 20023044 is about 271.5459733781.

Adding to 20023044 its reverse (44032002), we get a palindrome (64055046).

The spelling of 20023044 in words is "twenty million, twenty-three thousand, forty-four".