2102220013320 has 96 divisors (see below), whose sum is σ = 7808245773120. Its totient is φ = 480507431040.

The previous prime is 2102220013279. The next prime is 2102220013321. The reversal of 2102220013320 is 233100222012.

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 = 2102220013293 and 2102220013302.

It is not an unprimeable number, because it can be changed into a prime (2102220013321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417104626 + ... + 417109665.

It is an arithmetic number, because the mean of its divisors is an integer number (81335893470).

Almost surely, 2^{2102220013320} is an apocalyptic number.

2102220013320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102220013320 is an abundant number, since it is smaller than the sum of its proper divisors (5706025759800).

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

2102220013320 is a wasteful number, since it uses less digits than its factorization.

2102220013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834214315 (or 834214308 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2102220013320 its reverse (233100222012), we get a palindrome (2335320235332).

The spelling of 2102220013320 in words is "two trillion, one hundred two billion, two hundred twenty million, thirteen thousand, three hundred twenty".