20024422 has 8 divisors (see below), whose sum is σ = 32767272. Its totient is φ = 9102000.

The previous prime is 20024339. The next prime is 20024483. The reversal of 20024422 is 22442002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20024396 and 20024405.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 455079 + ... + 455122.

It is an arithmetic number, because the mean of its divisors is an integer number (4095909).

Almost surely, 2^20024422 is an apocalyptic number.

20024422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20024422 is a deficient number, since it is larger than the sum of its proper divisors (12742850).

20024422 is a wasteful number, since it uses less digits than its factorization.

20024422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910214.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 20024422 is about 4474.8655845735. The cubic root of 20024422 is about 271.5522025636.

Adding to 20024422 its reverse (22442002), we get a palindrome (42466424).

The spelling of 20024422 in words is "twenty million, twenty-four thousand, four hundred twenty-two".