120039420 has 48 divisors (see below), whose sum is σ = 336661920. Its totient is φ = 31958016.

The previous prime is 120039401. The next prime is 120039421. The reversal of 120039420 is 24930021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120039421) 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, 47304 + ... + 49776.

It is an arithmetic number, because the mean of its divisors is an integer number (7013790).

Almost surely, 2^120039420 is an apocalyptic number.

120039420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120039420 is an abundant number, since it is smaller than the sum of its proper divisors (216622500).

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

120039420 is a wasteful number, since it uses less digits than its factorization.

120039420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294 (or 3292 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 120039420 is about 10956.2502709641. The cubic root of 120039420 is about 493.2964189975.

Adding to 120039420 its reverse (24930021), we get a palindrome (144969441).

The spelling of 120039420 in words is "one hundred twenty million, thirty-nine thousand, four hundred twenty".