200220018 has 8 divisors (see below), whose sum is σ = 400440048. Its totient is φ = 66740004.

The previous prime is 200220017. The next prime is 200220023. The reversal of 200220018 is 810022002.

It is a sphenic number, since it is the product of 3 distinct primes.

200220018 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 200219979 and 200220006.

It is not an unprimeable number, because it can be changed into a prime (200220017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16684996 + ... + 16685007.

It is an arithmetic number, because the mean of its divisors is an integer number (50055006).

Almost surely, 2^200220018 is an apocalyptic number.

200220018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

200220018 is a wasteful number, since it uses less digits than its factorization.

200220018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33370008.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 200220018 is about 14149.9122965480. The cubic root of 200220018 is about 585.0179145657.

The spelling of 200220018 in words is "two hundred million, two hundred twenty thousand, eighteen".