120235920 has 80 divisors (see below), whose sum is σ = 425984640. Its totient is φ = 27482112.

The previous prime is 120235919. The next prime is 120235931. The reversal of 120235920 is 29532021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 34105 + ... + 37464.

It is an arithmetic number, because the mean of its divisors is an integer number (5324808).

Almost surely, 2^120235920 is an apocalyptic number.

120235920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120235920 is an abundant number, since it is smaller than the sum of its proper divisors (305748720).

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

120235920 is a wasteful number, since it uses less digits than its factorization.

120235920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71592 (or 71586 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 120235920 is about 10965.2140881973. The cubic root of 120235920 is about 493.5654414643.

Adding to 120235920 its reverse (29532021), we get a palindrome (149767941).

The spelling of 120235920 in words is "one hundred twenty million, two hundred thirty-five thousand, nine hundred twenty".