20033042 has 4 divisors (see below), whose sum is σ = 30049566. Its totient is φ = 10016520.

The previous prime is 20033029. The next prime is 20033053. The reversal of 20033042 is 24033002.

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., 10491121 + 9541921 = 3239^2 + 3089^2 .

It is an unprimeable number.

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, 5008259 + ... + 5008262.

Almost surely, 2^20033042 is an apocalyptic number.

20033042 is a deficient number, since it is larger than the sum of its proper divisors (10016524).

20033042 is a wasteful number, since it uses less digits than its factorization.

20033042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016523.

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

The square root of 20033042 is about 4475.8286383641. The cubic root of 20033042 is about 271.5911623928.

Adding to 20033042 its reverse (24033002), we get a palindrome (44066044).

The spelling of 20033042 in words is "twenty million, thirty-three thousand, forty-two".