201220324 has 12 divisors (see below), whose sum is σ = 354909184. Its totient is φ = 99817704.

The previous prime is 201220321. The next prime is 201220337. The reversal of 201220324 is 423022102.

It is a junction number, because it is equal to n+sod(n) for n = 201220298 and 201220307.

It is not an unprimeable number, because it can be changed into a prime (201220321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197544 + ... + 198559.

Almost surely, 2^201220324 is an apocalyptic number.

It is an amenable number.

201220324 is a deficient number, since it is larger than the sum of its proper divisors (153688860).

201220324 is a wasteful number, since it uses less digits than its factorization.

201220324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396234 (or 396232 counting only the distinct ones).

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

The square root of 201220324 is about 14185.2149789843. The cubic root of 201220324 is about 585.9905530283.

Adding to 201220324 its reverse (423022102), we get a palindrome (624242426).

The spelling of 201220324 in words is "two hundred one million, two hundred twenty thousand, three hundred twenty-four".