20004034 has 4 divisors (see below), whose sum is σ = 30006054. Its totient is φ = 10002016.

The previous prime is 20004031. The next prime is 20004041. The reversal of 20004034 is 43040002.

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., 16024009 + 3980025 = 4003^2 + 1995^2 .

It is a super-2 number, since 2×20004034² = 800322752546312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20004031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001007 + ... + 5001010.

Almost surely, 2^20004034 is an apocalyptic number.

20004034 is a deficient number, since it is larger than the sum of its proper divisors (10002020).

20004034 is a wasteful number, since it uses less digits than its factorization.

20004034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002019.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20004034 is about 4472.5869471705. The cubic root of 20004034 is about 271.4600103671.

Adding to 20004034 its reverse (43040002), we get a palindrome (63044036).

The spelling of 20004034 in words is "twenty million, four thousand, thirty-four".