20340440222 has 8 divisors (see below), whose sum is σ = 30565438776. Its totient is φ = 10151960632.

The previous prime is 20340440221. The next prime is 20340440231. The reversal of 20340440222 is 22204404302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340440221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9128348 + ... + 9130575.

It is an arithmetic number, because the mean of its divisors is an integer number (3820679847).

Almost surely, 2^20340440222 is an apocalyptic number.

20340440222 is a deficient number, since it is larger than the sum of its proper divisors (10224998554).

20340440222 is a wasteful number, since it uses less digits than its factorization.

20340440222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18259482.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20340440222 its reverse (22204404302), we get a palindrome (42544844524).

The spelling of 20340440222 in words is "twenty billion, three hundred forty million, four hundred forty thousand, two hundred twenty-two".