22020311000424 has 256 divisors, whose sum is σ = 62019686741760. Its totient is φ = 6456637440000.

The previous prime is 22020311000423. The next prime is 22020311000453. The reversal of 22020311000424 is 42400011302022.

It is a self number, because there is not a number n which added to its sum of digits gives 22020311000424.

It is not an unprimeable number, because it can be changed into a prime (22020311000423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1819703974 + ... + 1819716074.

It is an arithmetic number, because the mean of its divisors is an integer number (242264401335).

Almost surely, 2^{22020311000424} is an apocalyptic number.

22020311000424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020311000424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31009843370880).

22020311000424 is an abundant number, since it is smaller than the sum of its proper divisors (39999375741336).

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

22020311000424 is a wasteful number, since it uses less digits than its factorization.

22020311000424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13172 (or 13168 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22020311000424 its reverse (42400011302022), we get a palindrome (64420322302446).

The spelling of 22020311000424 in words is "twenty-two trillion, twenty billion, three hundred eleven million, four hundred twenty-four", and thus it is an aban number.