120220240 has 80 divisors (see below), whose sum is σ = 321979392. Its totient is φ = 40891392.

The previous prime is 120220237. The next prime is 120220249. The reversal of 120220240 is 42022021.

120220240 = T₃₅₅ + T₃₅₆ + ... + T₉₁₄.

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

It is a super-2 number, since 2×120220240² = 28905812211315200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120220240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75937 + ... + 77503.

Almost surely, 2^120220240 is an apocalyptic number.

120220240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120220240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160989696).

120220240 is an abundant number, since it is smaller than the sum of its proper divisors (201759152).

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

120220240 is a wasteful number, since it uses less digits than its factorization.

120220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724 (or 1718 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 120220240 is about 10964.4990765652. The cubic root of 120220240 is about 493.5439851957.

Adding to 120220240 its reverse (42022021), we get a palindrome (162242261).

The spelling of 120220240 in words is "one hundred twenty million, two hundred twenty thousand, two hundred forty".