120020043 has 16 divisors (see below), whose sum is σ = 188004096. Its totient is φ = 67143840.

The previous prime is 120020027. The next prime is 120020057. The reversal of 120020043 is 340020021.

It is not a de Polignac number, because 120020043 - 2⁴ = 120020027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120027043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139455 + ... + 140312.

It is an arithmetic number, because the mean of its divisors is an integer number (11750256).

Almost surely, 2^120020043 is an apocalyptic number.

120020043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120020043 is a deficient number, since it is larger than the sum of its proper divisors (67984053).

120020043 is a wasteful number, since it uses less digits than its factorization.

120020043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279794.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 120020043 is about 10955.3659455082. The cubic root of 120020043 is about 493.2698746088.

Adding to 120020043 its reverse (340020021), we get a palindrome (460040064).

The spelling of 120020043 in words is "one hundred twenty million, twenty thousand, forty-three".