20344412 has 12 divisors (see below), whose sum is σ = 38839416. Its totient is φ = 9247440.

The previous prime is 20344403. The next prime is 20344417. The reversal of 20344412 is 21444302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344417) 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, 231143 + ... + 231230.

It is an arithmetic number, because the mean of its divisors is an integer number (3236618).

Almost surely, 2^20344412 is an apocalyptic number.

20344412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20344412 is a deficient number, since it is larger than the sum of its proper divisors (18495004).

20344412 is a wasteful number, since it uses less digits than its factorization.

20344412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462388 (or 462386 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20344412 is about 4510.4780234472. The cubic root of 20344412 is about 272.9910322789.

Adding to 20344412 its reverse (21444302), we get a palindrome (41788714).

It can be divided in two parts, 2034 and 4412, that added together give a palindrome (6446).

The spelling of 20344412 in words is "twenty million, three hundred forty-four thousand, four hundred twelve".