220221000202220 has 48 divisors (see below), whose sum is σ = 479393502719040. Its totient is φ = 84876226493184.

The previous prime is 220221000202201. The next prime is 220221000202321. The reversal of 220221000202220 is 22202000122022.

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, 389544419 + ... + 390109338.

It is an arithmetic number, because the mean of its divisors is an integer number (9987364639980).

Almost surely, 2^{220221000202220} is an apocalyptic number.

220221000202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220221000202220 is an abundant number, since it is smaller than the sum of its proper divisors (259172502516820).

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

220221000202220 is a wasteful number, since it uses less digits than its factorization.

220221000202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779654282 (or 779654280 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220221000202220 its reverse (22202000122022), we get a palindrome (242423000324242).

The spelling of 220221000202220 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred two thousand, two hundred twenty".