3211330120220 has 24 divisors (see below), whose sum is σ = 6825043777104. Its totient is φ = 1269055757696.

The previous prime is 3211330120213. The next prime is 3211330120241. The reversal of 3211330120220 is 220210331123.

3211330120220 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 2×3211330120220² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3211330120192 and 3211330120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967266449 + ... + 967269768.

It is an arithmetic number, because the mean of its divisors is an integer number (284376824046).

Almost surely, 2^{3211330120220} is an apocalyptic number.

It is an amenable number.

3211330120220 is an abundant number, since it is smaller than the sum of its proper divisors (3613713656884).

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

3211330120220 is a wasteful number, since it uses less digits than its factorization.

3211330120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934536309 (or 1934536307 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3211330120220 its reverse (220210331123), we get a palindrome (3431540451343).

The spelling of 3211330120220 in words is "three trillion, two hundred eleven billion, three hundred thirty million, one hundred twenty thousand, two hundred twenty".