20442424204222 has 16 divisors (see below), whose sum is σ = 31013596943280. Its totient is φ = 10104598744768.

The previous prime is 20442424204217. The next prime is 20442424204261. The reversal of 20442424204222 is 22240242424402.

It is a super-2 number, since 2×20442424204222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9026548 + ... + 11061799.

It is an arithmetic number, because the mean of its divisors is an integer number (1938349808955).

Almost surely, 2^{20442424204222} is an apocalyptic number.

20442424204222 is a deficient number, since it is larger than the sum of its proper divisors (10571172739058).

20442424204222 is a wasteful number, since it uses less digits than its factorization.

20442424204222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20094155.

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 20442424204222 its reverse (22240242424402), we get a palindrome (42682666628624).

The spelling of 20442424204222 in words is "twenty trillion, four hundred forty-two billion, four hundred twenty-four million, two hundred four thousand, two hundred twenty-two".