201150220 has 24 divisors (see below), whose sum is σ = 425746944. Its totient is φ = 79825536.

The previous prime is 201150217. The next prime is 201150233. The reversal of 201150220 is 22051102.

It is a super-2 number, since 2×201150220² = 80922822012096800, 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 201150220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37057 + ... + 42136.

It is an arithmetic number, because the mean of its divisors is an integer number (17739456).

Almost surely, 2^201150220 is an apocalyptic number.

201150220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201150220 is an abundant number, since it is smaller than the sum of its proper divisors (224596724).

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

201150220 is a wasteful number, since it uses less digits than its factorization.

201150220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79329 (or 79327 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 201150220 is about 14182.7437401936. The cubic root of 201150220 is about 585.9224932145.

The spelling of 201150220 in words is "two hundred one million, one hundred fifty thousand, two hundred twenty".