20422013022420 has 48 divisors (see below), whose sum is σ = 57194761279488. Its totient is φ = 5444620156800.

The previous prime is 20422013022413. The next prime is 20422013022421. The reversal of 20422013022420 is 2422031022402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422013022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38798356 + ... + 39321195.

It is an arithmetic number, because the mean of its divisors is an integer number (1191557526656).

Almost surely, 2^{20422013022420} is an apocalyptic number.

20422013022420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20422013022420 is an abundant number, since it is smaller than the sum of its proper divisors (36772748257068).

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

20422013022420 is a wasteful number, since it uses less digits than its factorization.

20422013022420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78123920 (or 78123918 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20422013022420 its reverse (2422031022402), we get a palindrome (22844044044822).

The spelling of 20422013022420 in words is "twenty trillion, four hundred twenty-two billion, thirteen million, twenty-two thousand, four hundred twenty".