3220212122220 has 96 divisors (see below), whose sum is σ = 9262585257408. Its totient is φ = 835307016192.

The previous prime is 3220212122207. The next prime is 3220212122227. The reversal of 3220212122220 is 222212120223.

3220212122220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3220212122220² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3220212122227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8863992 + ... + 9220128.

It is an arithmetic number, because the mean of its divisors is an integer number (96485263098).

Almost surely, 2^{3220212122220} is an apocalyptic number.

3220212122220 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 3220212122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4631292628704).

3220212122220 is an abundant number, since it is smaller than the sum of its proper divisors (6042373135188).

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

3220212122220 is a wasteful number, since it uses less digits than its factorization.

3220212122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360259 (or 360257 counting only the distinct ones).

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

Adding to 3220212122220 its reverse (222212120223), we get a palindrome (3442424242443).

The spelling of 3220212122220 in words is "three trillion, two hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twenty".