220221120220120 has 64 divisors (see below), whose sum is σ = 526435029277920. Its totient is φ = 82623816321024.

The previous prime is 220221120220111. The next prime is 220221120220217. The reversal of 220221120220120 is 21022021122022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552453642 + ... + 552852121.

Almost surely, 2^{220221120220120} is an apocalyptic number.

220221120220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220221120220120 is an abundant number, since it is smaller than the sum of its proper divisors (306213909057800).

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

220221120220120 is a wasteful number, since it uses less digits than its factorization.

220221120220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105306084 (or 1105306080 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220221120220120 its reverse (21022021122022), we get a palindrome (241243141342142).

The spelling of 220221120220120 in words is "two hundred twenty trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty".