120420120220 has 48 divisors (see below), whose sum is σ = 257702897088. Its totient is φ = 47250178560.

The previous prime is 120420120169. The next prime is 120420120239. The reversal of 120420120220 is 22021024021.

It is a junction number, because it is equal to n+sod(n) for n = 120420120194 and 120420120203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9280177 + ... + 9293143.

It is an arithmetic number, because the mean of its divisors is an integer number (5368810356).

Almost surely, 2^120420120220 is an apocalyptic number.

120420120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120420120220 is an abundant number, since it is smaller than the sum of its proper divisors (137282776868).

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

120420120220 is a wasteful number, since it uses less digits than its factorization.

120420120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21790 (or 21788 counting only the distinct ones).

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

Adding to 120420120220 its reverse (22021024021), we get a palindrome (142441144241).

The spelling of 120420120220 in words is "one hundred twenty billion, four hundred twenty million, one hundred twenty thousand, two hundred twenty".