20003234 has 4 divisors (see below), whose sum is σ = 30004854. Its totient is φ = 10001616.

The previous prime is 20003231. The next prime is 20003267. The reversal of 20003234 is 43230002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43230002 = 2 ⋅21615001.

It can be written as a sum of positive squares in only one way, i.e., 17197609 + 2805625 = 4147^2 + 1675^2 .

It is not an unprimeable number, because it can be changed into a prime (20003231) 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, 5000807 + ... + 5000810.

Almost surely, 2^20003234 is an apocalyptic number.

20003234 is a deficient number, since it is larger than the sum of its proper divisors (10001620).

20003234 is a wasteful number, since it uses less digits than its factorization.

20003234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001619.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20003234 is about 4472.4975125762. The cubic root of 20003234 is about 271.4563915819.

Adding to 20003234 its reverse (43230002), we get a palindrome (63233236).

The spelling of 20003234 in words is "twenty million, three thousand, two hundred thirty-four".