20322022012420 has 12 divisors (see below), whose sum is σ = 42676246226124. Its totient is φ = 8128808804960.

The previous prime is 20322022012343. The next prime is 20322022012433. The reversal of 20322022012420 is 2421022022302.

It can be written as a sum of positive squares in 2 ways, for example, as 10955888161024 + 9366133851396 = 3309968^2 + 3060414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20322022012391 and 20322022012400.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 508050550291 + ... + 508050550330.

It is an arithmetic number, because the mean of its divisors is an integer number (3556353852177).

Almost surely, 2^{20322022012420} is an apocalyptic number.

20322022012420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322022012420 is an abundant number, since it is smaller than the sum of its proper divisors (22354224213704).

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

20322022012420 is a wasteful number, since it uses less digits than its factorization.

20322022012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016101100630 (or 1016101100628 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20322022012420 its reverse (2421022022302), we get a palindrome (22743044034722).

The spelling of 20322022012420 in words is "twenty trillion, three hundred twenty-two billion, twenty-two million, twelve thousand, four hundred twenty".