201324220 has 12 divisors (see below), whose sum is σ = 422780904. Its totient is φ = 80529680.

The previous prime is 201324197. The next prime is 201324259. The reversal of 201324220 is 22423102.

It is a junction number, because it is equal to n+sod(n) for n = 201324194 and 201324203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5033086 + ... + 5033125.

It is an arithmetic number, because the mean of its divisors is an integer number (35231742).

Almost surely, 2^201324220 is an apocalyptic number.

201324220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201324220 is an abundant number, since it is smaller than the sum of its proper divisors (221456684).

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

201324220 is a wasteful number, since it uses less digits than its factorization.

201324220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10066220 (or 10066218 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 201324220 is about 14188.8766292473. The cubic root of 201324220 is about 586.0913904220.

Adding to 201324220 its reverse (22423102), we get a palindrome (223747322).

The spelling of 201324220 in words is "two hundred one million, three hundred twenty-four thousand, two hundred twenty".