20034022 has 4 divisors (see below), whose sum is σ = 30051036. Its totient is φ = 10017010.

The previous prime is 20034019. The next prime is 20034031. The reversal of 20034022 is 22043002.

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

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 a junction number, because it is equal to n+sod(n) for n = 20033993 and 20034011.

It is a congruent number.

It is an unprimeable number.

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, 5008504 + ... + 5008507.

It is an arithmetic number, because the mean of its divisors is an integer number (7512759).

Almost surely, 2^20034022 is an apocalyptic number.

20034022 is a deficient number, since it is larger than the sum of its proper divisors (10017014).

20034022 is a wasteful number, since it uses less digits than its factorization.

20034022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017013.

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

The square root of 20034022 is about 4475.9381139600. The cubic root of 20034022 is about 271.5955909930.

Adding to 20034022 its reverse (22043002), we get a palindrome (42077024).

The spelling of 20034022 in words is "twenty million, thirty-four thousand, twenty-two".