220220021222220 has 96 divisors (see below), whose sum is σ = 632927621088000. Its totient is φ = 57190461508864.

The previous prime is 220220021222143. The next prime is 220220021222239. The reversal of 220220021222220 is 22222120022022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290317695 + ... + 291075254.

It is an arithmetic number, because the mean of its divisors is an integer number (6592996053000).

Almost surely, 2^{220220021222220} is an apocalyptic number.

220220021222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220021222220 is an abundant number, since it is smaller than the sum of its proper divisors (412707599865780).

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

220220021222220 is a wasteful number, since it uses less digits than its factorization.

220220021222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581393127 (or 581393125 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 220220021222220 its reverse (22222120022022), we get a palindrome (242442141244242).

The spelling of 220220021222220 in words is "two hundred twenty trillion, two hundred twenty billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty".