22020212201220 has 240 divisors, whose sum is σ = 70066368586368. Its totient is φ = 5788094215680.

The previous prime is 22020212201213. The next prime is 22020212201237. The reversal of 22020212201220 is 2210221202022.

22020212201220 is a `hidden beast` number, since 2 + 20 + 202 + 1 + 220 + 1 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22020212201193 and 22020212201202.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 606482307 + ... + 606518613.

Almost surely, 2^{22020212201220} is an apocalyptic number.

22020212201220 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 22020212201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35033184293184).

22020212201220 is an abundant number, since it is smaller than the sum of its proper divisors (48046156385148).

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

22020212201220 is a wasteful number, since it uses less digits than its factorization.

22020212201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41672 (or 41661 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22020212201220 its reverse (2210221202022), we get a palindrome (24230433403242).

The spelling of 22020212201220 in words is "twenty-two trillion, twenty billion, two hundred twelve million, two hundred one thousand, two hundred twenty".