20024222 has 4 divisors (see below), whose sum is σ = 30036336. Its totient is φ = 10012110.

The previous prime is 20024219. The next prime is 20024299. The reversal of 20024222 is 22242002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20024197 and 20024206.

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, 5006054 + ... + 5006057.

It is an arithmetic number, because the mean of its divisors is an integer number (7509084).

Almost surely, 2^20024222 is an apocalyptic number.

20024222 is a deficient number, since it is larger than the sum of its proper divisors (10012114).

20024222 is a wasteful number, since it uses less digits than its factorization.

20024222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10012113.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 20024222 is about 4474.8432374777. The cubic root of 20024222 is about 271.5512984905.

Adding to 20024222 its reverse (22242002), we get a palindrome (42266224).

The spelling of 20024222 in words is "twenty million, twenty-four thousand, two hundred twenty-two".