120221202220 has 48 divisors (see below), whose sum is σ = 288554511168. Its totient is φ = 41215322880.

The previous prime is 120221202187. The next prime is 120221202221. The reversal of 120221202220 is 22202122021.

It is a junction number, because it is equal to n+sod(n) for n = 120221202194 and 120221202203.

It is not an unprimeable number, because it can be changed into a prime (120221202221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2175330 + ... + 2229910.

It is an arithmetic number, because the mean of its divisors is an integer number (6011552316).

Almost surely, 2^120221202220 is an apocalyptic number.

120221202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221202220 is an abundant number, since it is smaller than the sum of its proper divisors (168333308948).

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

120221202220 is a wasteful number, since it uses less digits than its factorization.

120221202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70330 (or 70328 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 120221202220 its reverse (22202122021), we get a palindrome (142423324241).

The spelling of 120221202220 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred two thousand, two hundred twenty".