201322632 has 128 divisors (see below), whose sum is σ = 616320000. Its totient is φ = 53519616.

The previous prime is 201322601. The next prime is 201322663. The reversal of 201322632 is 236223102.

It is an interprime number because it is at equal distance from previous prime (201322601) and next prime (201322663).

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

It is a junction number, because it is equal to n+sod(n) for n = 201322599 and 201322608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187794 + ... + 188862.

It is an arithmetic number, because the mean of its divisors is an integer number (4815000).

Almost surely, 2^201322632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201322632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308160000).

201322632 is an abundant number, since it is smaller than the sum of its proper divisors (414997368).

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

201322632 is a wasteful number, since it uses less digits than its factorization.

201322632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1159 counting only the distinct ones).

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

The square root of 201322632 is about 14188.8206698090. The cubic root of 201322632 is about 586.0898494324.

Adding to 201322632 its reverse (236223102), we get a palindrome (437545734).

The spelling of 201322632 in words is "two hundred one million, three hundred twenty-two thousand, six hundred thirty-two".