20422244442424 has 32 divisors (see below), whose sum is σ = 42186364550640. Its totient is φ = 9190929088000.

The previous prime is 20422244442419. The next prime is 20422244442427. The reversal of 20422244442424 is 42424444222402.

It is a super-2 number, since 2×20422244442424² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422244442427) by changing a digit.

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, 1148857249 + ... + 1148875024.

Almost surely, 2^{20422244442424} is an apocalyptic number.

It is an amenable number.

20422244442424 is an abundant number, since it is smaller than the sum of its proper divisors (21764120108216).

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

20422244442424 is a wasteful number, since it uses less digits than its factorization.

20422244442424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297732391 (or 2297732387 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 40.

Adding to 20422244442424 its reverse (42424444222402), we get a palindrome (62846688664826).

The spelling of 20422244442424 in words is "twenty trillion, four hundred twenty-two billion, two hundred forty-four million, four hundred forty-two thousand, four hundred twenty-four".