20222220442404 has 24 divisors (see below), whose sum is σ = 47185702740288. Its totient is φ = 6740665617760.

The previous prime is 20222220442351. The next prime is 20222220442447. The reversal of 20222220442404 is 40424402222202.

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 7 ways as a sum of consecutive naturals, for example, 8180127 + ... + 10361414.

It is an arithmetic number, because the mean of its divisors is an integer number (1966070947512).

Almost surely, 2^{20222220442404} is an apocalyptic number.

It is an amenable number.

20222220442404 is an abundant number, since it is smaller than the sum of its proper divisors (26963482297884).

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

20222220442404 is a wasteful number, since it uses less digits than its factorization.

20222220442404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18632435 (or 18632433 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 20222220442404 its reverse (40424402222202), we get a palindrome (60646622664606).

The spelling of 20222220442404 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty million, four hundred forty-two thousand, four hundred four".