120100220 has 12 divisors (see below), whose sum is σ = 252210504. Its totient is φ = 48040080.

The previous prime is 120100213. The next prime is 120100289. The reversal of 120100220 is 22001021.

It is a junction number, because it is equal to n+sod(n) for n = 120100198 and 120100207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002486 + ... + 3002525.

It is an arithmetic number, because the mean of its divisors is an integer number (21017542).

Almost surely, 2^120100220 is an apocalyptic number.

120100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100220 is an abundant number, since it is smaller than the sum of its proper divisors (132110284).

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

120100220 is a wasteful number, since it uses less digits than its factorization.

120100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005020 (or 6005018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 120100220 is about 10959.0245916322. The cubic root of 120100220 is about 493.3796898652.

Adding to 120100220 its reverse (22001021), we get a palindrome (142101241).

The spelling of 120100220 in words is "one hundred twenty million, one hundred thousand, two hundred twenty".