120200418 has 48 divisors (see below), whose sum is σ = 290155320. Its totient is φ = 35707392.

The previous prime is 120200417. The next prime is 120200419. The reversal of 120200418 is 814002021.

It is an interprime number because it is at equal distance from previous prime (120200417) and next prime (120200419).

It can be written as a sum of positive squares in 4 ways, for example, as 108930969 + 11269449 = 10437^2 + 3357^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 120200418.

It is not an unprimeable number, because it can be changed into a prime (120200417) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2071 + ... + 15642.

Almost surely, 2^120200418 is an apocalyptic number.

120200418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

120200418 is an abundant number, since it is smaller than the sum of its proper divisors (169954902).

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

120200418 is a wasteful number, since it uses less digits than its factorization.

120200418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17763 (or 17760 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 120200418 is about 10963.5951220391. The cubic root of 120200418 is about 493.5168584085.

Adding to 120200418 its reverse (814002021), we get a palindrome (934202439).

The spelling of 120200418 in words is "one hundred twenty million, two hundred thousand, four hundred eighteen".