120443420 has 12 divisors (see below), whose sum is σ = 252931224. Its totient is φ = 48177360.

The previous prime is 120443417. The next prime is 120443429. The reversal of 120443420 is 24344021.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6022171 = 120443420 / (1 + 2 + 0 + 4 + 4 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 120443392 and 120443401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120443429) 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, 3011066 + ... + 3011105.

It is an arithmetic number, because the mean of its divisors is an integer number (21077602).

Almost surely, 2^120443420 is an apocalyptic number.

120443420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120443420 is an abundant number, since it is smaller than the sum of its proper divisors (132487804).

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

120443420 is a wasteful number, since it uses less digits than its factorization.

120443420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022180 (or 6022178 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 120443420 is about 10974.6717490775. The cubic root of 120443420 is about 493.8492057242.

Adding to 120443420 its reverse (24344021), we get a palindrome (144787441).

The spelling of 120443420 in words is "one hundred twenty million, four hundred forty-three thousand, four hundred twenty".