120843020 has 24 divisors (see below), whose sum is σ = 256831344. Its totient is φ = 47754176.

The previous prime is 120843007. The next prime is 120843077. The reversal of 120843020 is 20348021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120842983 and 120843001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34739 + ... + 38058.

It is an arithmetic number, because the mean of its divisors is an integer number (10701306).

Almost surely, 2^120843020 is an apocalyptic number.

120843020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120843020 is an abundant number, since it is smaller than the sum of its proper divisors (135988324).

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

120843020 is a wasteful number, since it uses less digits than its factorization.

120843020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72889 (or 72887 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 120843020 is about 10992.8622296470. The cubic root of 120843020 is about 494.3947573220.

The spelling of 120843020 in words is "one hundred twenty million, eight hundred forty-three thousand, twenty".