120222420 has 48 divisors (see below), whose sum is σ = 337279488. Its totient is φ = 31996800.

The previous prime is 120222407. The next prime is 120222439. The reversal of 120222420 is 24222021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120222420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34770 + ... + 38070.

It is an arithmetic number, because the mean of its divisors is an integer number (7026656).

Almost surely, 2^120222420 is an apocalyptic number.

120222420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120222420 is an abundant number, since it is smaller than the sum of its proper divisors (217057068).

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

120222420 is a wasteful number, since it uses less digits than its factorization.

120222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920 (or 3918 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 120222420 is about 10964.5984878608. The cubic root of 120222420 is about 493.5469683855.

Adding to 120222420 its reverse (24222021), we get a palindrome (144444441).

The spelling of 120222420 in words is "one hundred twenty million, two hundred twenty-two thousand, four hundred twenty".