201632340 has 96 divisors (see below), whose sum is σ = 694874880. Its totient is φ = 42541056.

The previous prime is 201632309. The next prime is 201632357. The reversal of 201632340 is 43236102.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13005 + ... + 23924.

It is an arithmetic number, because the mean of its divisors is an integer number (7238280).

Almost surely, 2^201632340 is an apocalyptic number.

201632340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201632340 is an abundant number, since it is smaller than the sum of its proper divisors (493242540).

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

201632340 is a wasteful number, since it uses less digits than its factorization.

201632340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36961 (or 36959 counting only the distinct ones).

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

The square root of 201632340 is about 14199.7302791285. The cubic root of 201632340 is about 586.3902357874.

Adding to 201632340 its reverse (43236102), we get a palindrome (244868442).

The spelling of 201632340 in words is "two hundred one million, six hundred thirty-two thousand, three hundred forty".