22020022011020 has 144 divisors (see below), whose sum is σ = 51660995248800. Its totient is φ = 7818841497600.

The previous prime is 22020022011017. The next prime is 22020022011023. The reversal of 22020022011020 is 2011022002022.

It is an interprime number because it is at equal distance from previous prime (22020022011017) and next prime (22020022011023).

It is a junction number, because it is equal to n+sod(n) for n = 22020022010986 and 22020022011004.

It is not an unprimeable number, because it can be changed into a prime (22020022011023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2213285006 + ... + 2213294954.

It is an arithmetic number, because the mean of its divisors is an integer number (358756911450).

Almost surely, 2^{22020022011020} is an apocalyptic number.

22020022011020 is a gapful number since it is divisible by the number (20) 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 22020022011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25830497624400).

22020022011020 is an abundant number, since it is smaller than the sum of its proper divisors (29640973237780).

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

22020022011020 is a wasteful number, since it uses less digits than its factorization.

22020022011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15496 (or 15451 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22020022011020 its reverse (2011022002022), we get a palindrome (24031044013042).

The spelling of 22020022011020 in words is "twenty-two trillion, twenty billion, twenty-two million, eleven thousand, twenty".