20368944 has 60 divisors (see below), whose sum is σ = 58560736. Its totient is φ = 6604416.

The previous prime is 20368927. The next prime is 20368951. The reversal of 20368944 is 44986302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20368899 and 20368908.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3417 + ... + 7239.

Almost surely, 2^20368944 is an apocalyptic number.

20368944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20368944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29280368).

20368944 is an abundant number, since it is smaller than the sum of its proper divisors (38191792).

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

20368944 is a wasteful number, since it uses less digits than its factorization.

20368944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874 (or 3865 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 20368944 is about 4513.1966498259. The cubic root of 20368944 is about 273.1007155664.

It can be divided in two parts, 20368 and 944, that added together give a palindrome (21312).

The spelling of 20368944 in words is "twenty million, three hundred sixty-eight thousand, nine hundred forty-four".