220211221202220 has 24 divisors (see below), whose sum is σ = 616591419366384. Its totient is φ = 58722992320576.

The previous prime is 220211221202197. The next prime is 220211221202221. The reversal of 220211221202220 is 22202122112022.

220211221202220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220211221202221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835093509959 + ... + 1835093510078.

It is an arithmetic number, because the mean of its divisors is an integer number (25691309140266).

Almost surely, 2^{220211221202220} is an apocalyptic number.

220211221202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211221202220 is an abundant number, since it is smaller than the sum of its proper divisors (396380198164164).

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

220211221202220 is a wasteful number, since it uses less digits than its factorization.

220211221202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670187020049 (or 3670187020047 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220211221202220 its reverse (22202122112022), we get a palindrome (242413343314242).

The spelling of 220211221202220 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred twenty-one million, two hundred two thousand, two hundred twenty".