120838020 has 24 divisors (see below), whose sum is σ = 338346624. Its totient is φ = 32223456.

The previous prime is 120838013. The next prime is 120838049. The reversal of 120838020 is 20838021.

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, 1006924 + ... + 1007043.

It is an arithmetic number, because the mean of its divisors is an integer number (14097776).

Almost surely, 2^120838020 is an apocalyptic number.

120838020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120838020 is an abundant number, since it is smaller than the sum of its proper divisors (217508604).

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

120838020 is a wasteful number, since it uses less digits than its factorization.

120838020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013979 (or 2013977 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 120838020 is about 10992.6348069969. The cubic root of 120838020 is about 494.3879385365.

Subtracting from 120838020 its reverse (20838021), we obtain a palindrome (99999999).

The spelling of 120838020 in words is "one hundred twenty million, eight hundred thirty-eight thousand, twenty".