120321440220 has 96 divisors (see below), whose sum is σ = 366860390400. Its totient is φ = 29348815104.

The previous prime is 120321440203. The next prime is 120321440231. The reversal of 120321440220 is 22044123021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1786684 + ... + 1852803.

It is an arithmetic number, because the mean of its divisors is an integer number (3821462400).

Almost surely, 2^120321440220 is an apocalyptic number.

120321440220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120321440220 is an abundant number, since it is smaller than the sum of its proper divisors (246538950180).

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

120321440220 is a wasteful number, since it uses less digits than its factorization.

120321440220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639547 (or 3639545 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 120321440220 its reverse (22044123021), we get a palindrome (142365563241).

The spelling of 120321440220 in words is "one hundred twenty billion, three hundred twenty-one million, four hundred forty thousand, two hundred twenty".