201020318 has 8 divisors (see below), whose sum is σ = 301590648. Its totient is φ = 100490104.

The previous prime is 201020317. The next prime is 201020327. The reversal of 201020318 is 813020102.

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

It is a super-2 number, since 2×201020318² = 80818336497642248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201020296 and 201020305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020311) 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 3 ways as a sum of consecutive naturals, for example, 14480 + ... + 24732.

It is an arithmetic number, because the mean of its divisors is an integer number (37698831).

Almost surely, 2^201020318 is an apocalyptic number.

201020318 is a deficient number, since it is larger than the sum of its proper divisors (100570330).

201020318 is a wasteful number, since it uses less digits than its factorization.

201020318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20058.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 201020318 is about 14178.1634212616. The cubic root of 201020318 is about 585.7963372600.

The spelling of 201020318 in words is "two hundred one million, twenty thousand, three hundred eighteen".