120200256 has 168 divisors, whose sum is σ = 383243328. Its totient is φ = 35712000.

The previous prime is 120200243. The next prime is 120200261. The reversal of 120200256 is 652002021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386341 + ... + 386651.

Almost surely, 2^120200256 is an apocalyptic number.

120200256 is a gapful number since it is divisible by the number (16) 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 120200256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191621664).

120200256 is an abundant number, since it is smaller than the sum of its proper divisors (263043072).

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

120200256 is a wasteful number, since it uses less digits than its factorization.

120200256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120200256 is about 10963.5877339491. The cubic root of 120200256 is about 493.5166366961.

Adding to 120200256 its reverse (652002021), we get a palindrome (772202277).

The spelling of 120200256 in words is "one hundred twenty million, two hundred thousand, two hundred fifty-six".