200042120 has 16 divisors (see below), whose sum is σ = 450094860. Its totient is φ = 80016832.

The previous prime is 200042113. The next prime is 200042147. The reversal of 200042120 is 21240002.

200042120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 193822084 + 6220036 = 13922^2 + 2494^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500487 + ... + 2500566.

Almost surely, 2^200042120 is an apocalyptic number.

200042120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200042120 is an abundant number, since it is smaller than the sum of its proper divisors (250052740).

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

200042120 is a wasteful number, since it uses less digits than its factorization.

200042120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001064 (or 5001060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 200042120 is about 14143.6247122157. The cubic root of 200042120 is about 584.8445979700.

Adding to 200042120 its reverse (21240002), we get a palindrome (221282122).

The spelling of 200042120 in words is "two hundred million, forty-two thousand, one hundred twenty".