2120332102220 has 12 divisors (see below), whose sum is σ = 4452697414704. Its totient is φ = 848132840880.

The previous prime is 2120332102193. The next prime is 2120332102249. The reversal of 2120332102220 is 222012330212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 106016605111 = 2120332102220 / (2 + 1 + 2 + 0 + 3 + 3 + 2 + 1 + 0 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2120332102192 and 2120332102201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53008302536 + ... + 53008302575.

It is an arithmetic number, because the mean of its divisors is an integer number (371058117892).

Almost surely, 2^{2120332102220} is an apocalyptic number.

2120332102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120332102220 is an abundant number, since it is smaller than the sum of its proper divisors (2332365312484).

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

2120332102220 is a wasteful number, since it uses less digits than its factorization.

2120332102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106016605120 (or 106016605118 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2120332102220 its reverse (222012330212), we get a palindrome (2342344432432).

The spelling of 2120332102220 in words is "two trillion, one hundred twenty billion, three hundred thirty-two million, one hundred two thousand, two hundred twenty".