20344030 has 32 divisors (see below), whose sum is σ = 42130944. Its totient is φ = 6928416.

The previous prime is 20344007. The next prime is 20344033. The reversal of 20344030 is 3044302.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 20343995 and 20344013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10519 + ... + 12301.

It is an arithmetic number, because the mean of its divisors is an integer number (1316592).

Almost surely, 2^20344030 is an apocalyptic number.

20344030 is an abundant number, since it is smaller than the sum of its proper divisors (21786914).

20344030 is a wasteful number, since it uses less digits than its factorization.

20344030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20344030 is about 4510.4356774041. The cubic root of 20344030 is about 272.9893236487.

Adding to 20344030 its reverse (3044302), we get a palindrome (23388332).

The spelling of 20344030 in words is "twenty million, three hundred forty-four thousand, thirty".