120331420 has 24 divisors (see below), whose sum is σ = 275668848. Its totient is φ = 43756800.

The previous prime is 120331417. The next prime is 120331487. The reversal of 120331420 is 24133021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120331394 and 120331403.

It is a congruent number.

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, 273261 + ... + 273700.

It is an arithmetic number, because the mean of its divisors is an integer number (11486202).

Almost surely, 2^120331420 is an apocalyptic number.

120331420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120331420 is an abundant number, since it is smaller than the sum of its proper divisors (155337428).

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

120331420 is a wasteful number, since it uses less digits than its factorization.

120331420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546981 (or 546979 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 120331420 is about 10969.5679039787. The cubic root of 120331420 is about 493.6960819187.

Adding to 120331420 its reverse (24133021), we get a palindrome (144464441).

It can be divided in two parts, 1203 and 31420, that added together give a palindrome (32623).

The spelling of 120331420 in words is "one hundred twenty million, three hundred thirty-one thousand, four hundred twenty".