201530732 has 12 divisors (see below), whose sum is σ = 379808016. Its totient is φ = 93014160.

The previous prime is 201530717. The next prime is 201530737. The reversal of 201530732 is 237035102.

It is a super-2 number, since 2×201530732² = 81229271880911648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201530698 and 201530707.

It is not an unprimeable number, because it can be changed into a prime (201530737) 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, 1937744 + ... + 1937847.

It is an arithmetic number, because the mean of its divisors is an integer number (31650668).

Almost surely, 2^201530732 is an apocalyptic number.

It is an amenable number.

201530732 is a deficient number, since it is larger than the sum of its proper divisors (178277284).

201530732 is a wasteful number, since it uses less digits than its factorization.

201530732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875608 (or 3875606 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 201530732 is about 14196.1520138381. The cubic root of 201530732 is about 586.2917199273.

Adding to 201530732 its reverse (237035102), we get a palindrome (438565834).

The spelling of 201530732 in words is "two hundred one million, five hundred thirty thousand, seven hundred thirty-two".