20344034 has 4 divisors (see below), whose sum is σ = 30516054. Its totient is φ = 10172016.

The previous prime is 20344033. The next prime is 20344039. The reversal of 20344034 is 43044302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19140625 + 1203409 = 4375^2 + 1097^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 20343997 and 20344015.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086007 + ... + 5086010.

Almost surely, 2^20344034 is an apocalyptic number.

20344034 is a deficient number, since it is larger than the sum of its proper divisors (10172020).

20344034 is a wasteful number, since it uses less digits than its factorization.

20344034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172019.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 20344034 is about 4510.4361208202. The cubic root of 20344034 is about 272.9893415403.

Adding to 20344034 its reverse (43044302), we get a palindrome (63388336).

The spelling of 20344034 in words is "twenty million, three hundred forty-four thousand, thirty-four".