120687020 has 24 divisors (see below), whose sum is σ = 255150000. Its totient is φ = 47949632.

The previous prime is 120687019. The next prime is 120687041. The reversal of 120687020 is 20786021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17270 + ... + 23229.

It is an arithmetic number, because the mean of its divisors is an integer number (10631250).

Almost surely, 2^120687020 is an apocalyptic number.

120687020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120687020 is an abundant number, since it is smaller than the sum of its proper divisors (134462980).

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

120687020 is a wasteful number, since it uses less digits than its factorization.

120687020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40657 (or 40655 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 120687020 is about 10985.7644249274. The cubic root of 120687020 is about 494.1819225387.

Subtracting from 120687020 its reverse (20786021), we obtain a palindrome (99900999).

The spelling of 120687020 in words is "one hundred twenty million, six hundred eighty-seven thousand, twenty".