3220222210020 has 192 divisors, whose sum is σ = 10170253013760. Its totient is φ = 845721575424.

The previous prime is 3220222209989. The next prime is 3220222210033. The reversal of 3220222210020 is 200122220223.

3220222210020 is a `hidden beast` number, since 322 + 0 + 2 + 222 + 100 + 20 = 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 = 3220222209975 and 3220222210002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252421482 + ... + 252434238.

It is an arithmetic number, because the mean of its divisors is an integer number (52970067780).

Almost surely, 2^{3220222210020} is an apocalyptic number.

3220222210020 is a gapful number since it is divisible by the number (30) 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 3220222210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5085126506880).

3220222210020 is an abundant number, since it is smaller than the sum of its proper divisors (6950030803740).

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

3220222210020 is a wasteful number, since it uses less digits than its factorization.

3220222210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19819 (or 19811 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 3220222210020 its reverse (200122220223), we get a palindrome (3420344430243).

The spelling of 3220222210020 in words is "three trillion, two hundred twenty billion, two hundred twenty-two million, two hundred ten thousand, twenty".