20030422 has 4 divisors (see below), whose sum is σ = 30045636. Its totient is φ = 10015210.

The previous prime is 20030411. The next prime is 20030443. The reversal of 20030422 is 22403002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22403002 = 2 ⋅11201501.

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 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, 5007604 + ... + 5007607.

It is an arithmetic number, because the mean of its divisors is an integer number (7511409).

Almost surely, 2^20030422 is an apocalyptic number.

20030422 is a deficient number, since it is larger than the sum of its proper divisors (10015214).

20030422 is a wasteful number, since it uses less digits than its factorization.

20030422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10015213.

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

The square root of 20030422 is about 4475.5359455600. The cubic root of 20030422 is about 271.5793219566.

Adding to 20030422 its reverse (22403002), we get a palindrome (42433424).

The spelling of 20030422 in words is "twenty million, thirty thousand, four hundred twenty-two".