201220319 has 8 divisors (see below), whose sum is σ = 209572128. Its totient is φ = 193021920.

The previous prime is 201220309. The next prime is 201220321. The reversal of 201220319 is 913022102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201220319 is a prime.

It is a super-2 number, since 2×201220319² = 80979233556923522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201220319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35672 + ... + 40925.

It is an arithmetic number, because the mean of its divisors is an integer number (26196516).

Almost surely, 2^201220319 is an apocalyptic number.

201220319 is a deficient number, since it is larger than the sum of its proper divisors (8351809).

201220319 is an equidigital number, since it uses as much as digits as its factorization.

201220319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76705.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 201220319 is about 14185.2148027444. The cubic root of 201220319 is about 585.9905481747.

The spelling of 201220319 in words is "two hundred one million, two hundred twenty thousand, three hundred nineteen".