201630324 has 48 divisors (see below), whose sum is σ = 555032576. Its totient is φ = 55749600.

The previous prime is 201630313. The next prime is 201630343. The reversal of 201630324 is 423036102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 201630324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36112 + ... + 41319.

Almost surely, 2^201630324 is an apocalyptic number.

It is an amenable number.

201630324 is an abundant number, since it is smaller than the sum of its proper divisors (353402252).

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

201630324 is a wasteful number, since it uses less digits than its factorization.

201630324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77476 (or 77474 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 201630324 is about 14199.6592916872. The cubic root of 201630324 is about 586.3882814603.

Adding to 201630324 its reverse (423036102), we get a palindrome (624666426).

The spelling of 201630324 in words is "two hundred one million, six hundred thirty thousand, three hundred twenty-four".