120222220 has 12 divisors (see below), whose sum is σ = 252466704. Its totient is φ = 48088880.

The previous prime is 120222203. The next prime is 120222229. The reversal of 120222220 is 22222021.

It is a self number, because there is not a number n which added to its sum of digits gives 120222220.

It is not an unprimeable number, because it can be changed into a prime (120222229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005536 + ... + 3005575.

It is an arithmetic number, because the mean of its divisors is an integer number (21038892).

Almost surely, 2^120222220 is an apocalyptic number.

120222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120222220 is an abundant number, since it is smaller than the sum of its proper divisors (132244484).

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

120222220 is a wasteful number, since it uses less digits than its factorization.

120222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011120 (or 6011118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 120222220 is about 10964.5893675960. The cubic root of 120222220 is about 493.5466946999.

Adding to 120222220 its reverse (22222021), we get a palindrome (142444241).

The spelling of 120222220 in words is "one hundred twenty million, two hundred twenty-two thousand, two hundred twenty".