20023344 has 60 divisors (see below), whose sum is σ = 61136712. Its totient is φ = 6067200.

The previous prime is 20023343. The next prime is 20023379. The reversal of 20023344 is 44332002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20023343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4737 + ... + 7904.

Almost surely, 2^20023344 is an apocalyptic number.

20023344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20023344 is an abundant number, since it is smaller than the sum of its proper divisors (41113368).

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

20023344 is a wasteful number, since it uses less digits than its factorization.

20023344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12666 (or 12657 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 20023344 is about 4474.7451324070. The cubic root of 20023344 is about 271.5473295386.

Adding to 20023344 its reverse (44332002), we get a palindrome (64355346).

The spelling of 20023344 in words is "twenty million, twenty-three thousand, three hundred forty-four".