220102122120 has 32 divisors (see below), whose sum is σ = 660306366720. Its totient is φ = 58693899200.

The previous prime is 220102122113. The next prime is 220102122131. The reversal of 220102122120 is 21221201022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220102122120.

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, 917092056 + ... + 917092295.

It is an arithmetic number, because the mean of its divisors is an integer number (20634573960).

Almost surely, 2^220102122120 is an apocalyptic number.

220102122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220102122120 is an abundant number, since it is smaller than the sum of its proper divisors (440204244600).

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

220102122120 is a wasteful number, since it uses less digits than its factorization.

220102122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834184365 (or 1834184361 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220102122120 its reverse (21221201022), we get a palindrome (241323323142).

The spelling of 220102122120 in words is "two hundred twenty billion, one hundred two million, one hundred twenty-two thousand, one hundred twenty".