201230221032 has 48 divisors (see below), whose sum is σ = 545055490980. Its totient is φ = 67069728000.

The previous prime is 201230220953. The next prime is 201230221039. The reversal of 201230221032 is 230122032102.

It can be written as a sum of positive squares in 2 ways, for example, as 158631737796 + 42598483236 = 398286^2 + 206394^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201230220996 and 201230221014.

It is not an unprimeable number, because it can be changed into a prime (201230221039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571732 + ... + 854012.

Almost surely, 2^201230221032 is an apocalyptic number.

It is an amenable number.

201230221032 is an abundant number, since it is smaller than the sum of its proper divisors (343825269948).

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

201230221032 is a wasteful number, since it uses less digits than its factorization.

201230221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292194 (or 292187 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201230221032 its reverse (230122032102), we get a palindrome (431352253134).

The spelling of 201230221032 in words is "two hundred one billion, two hundred thirty million, two hundred twenty-one thousand, thirty-two".