20020320004422 has 16 divisors (see below), whose sum is σ = 40149742574592. Its totient is φ = 6655256240520.

The previous prime is 20020320004417. The next prime is 20020320004423. The reversal of 20020320004422 is 22440002302002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020320004423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4545937854 + ... + 4545942257.

It is an arithmetic number, because the mean of its divisors is an integer number (2509358910912).

Almost surely, 2^{20020320004422} is an apocalyptic number.

20020320004422 is an abundant number, since it is smaller than the sum of its proper divisors (20129422570170).

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

20020320004422 is a wasteful number, since it uses less digits than its factorization.

20020320004422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091880483.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 20020320004422 its reverse (22440002302002), we get a palindrome (42460322306424).

The spelling of 20020320004422 in words is "twenty trillion, twenty billion, three hundred twenty million, four thousand, four hundred twenty-two".