120220331 has 8 divisors (see below), whose sum is σ = 149885184. Its totient is φ = 93678120.

The previous prime is 120220327. The next prime is 120220337. The reversal of 120220331 is 133022021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120220331 - 2² = 120220327 is a prime.

It is a super-2 number, since 2×120220331² = 28905855971499122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120220337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780575 + ... + 780728.

It is an arithmetic number, because the mean of its divisors is an integer number (18735648).

Almost surely, 2^120220331 is an apocalyptic number.

120220331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120220331 is a deficient number, since it is larger than the sum of its proper divisors (29664853).

120220331 is a wasteful number, since it uses less digits than its factorization.

120220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561321.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120220331 is about 10964.5032263208. The cubic root of 120220331 is about 493.5441097241.

Adding to 120220331 its reverse (133022021), we get a palindrome (253242352).

The spelling of 120220331 in words is "one hundred twenty million, two hundred twenty thousand, three hundred thirty-one".