20242422 has 24 divisors (see below), whose sum is σ = 44880264. Its totient is φ = 6590304.

The previous prime is 20242373. The next prime is 20242433. The reversal of 20242422 is 22424202.

20242422 is a `hidden beast` number, since 2 + 0 + 242 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20242395 and 20242404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12303 + ... + 13850.

It is an arithmetic number, because the mean of its divisors is an integer number (1870011).

Almost surely, 2^20242422 is an apocalyptic number.

20242422 is an abundant number, since it is smaller than the sum of its proper divisors (24637842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20242422 is a wasteful number, since it uses less digits than its factorization.

20242422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26204 (or 26201 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 20242422 is about 4499.1579212115. The cubic root of 20242422 is about 272.5340843374.

Adding to 20242422 its reverse (22424202), we get a palindrome (42666624).

It can be divided in two parts, 202 and 42422, that added together give a palindrome (42624).

The spelling of 20242422 in words is "twenty million, two hundred forty-two thousand, four hundred twenty-two".