201003313220 has 24 divisors (see below), whose sum is σ = 422277747864. Its totient is φ = 80368793856.

The previous prime is 201003313213. The next prime is 201003313237. The reversal of 201003313220 is 22313300102.

It can be written as a sum of positive squares in 4 ways, for example, as 71370191104 + 129633122116 = 267152^2 + 360046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1982519 + ... + 2081438.

It is an arithmetic number, because the mean of its divisors is an integer number (17594906161).

Almost surely, 2^201003313220 is an apocalyptic number.

201003313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201003313220 is an abundant number, since it is smaller than the sum of its proper divisors (221274434644).

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

201003313220 is a wasteful number, since it uses less digits than its factorization.

201003313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066439 (or 4066437 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 201003313220 its reverse (22313300102), we get a palindrome (223316613322).

The spelling of 201003313220 in words is "two hundred one billion, three million, three hundred thirteen thousand, two hundred twenty".