201220320232 has 32 divisors (see below), whose sum is σ = 389524953600. Its totient is φ = 97348104000.

The previous prime is 201220320163. The next prime is 201220320247. The reversal of 201220320232 is 232023022102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459494 + ... + 1591402.

It is an arithmetic number, because the mean of its divisors is an integer number (12172654800).

Almost surely, 2^201220320232 is an apocalyptic number.

It is an amenable number.

201220320232 is a deficient number, since it is larger than the sum of its proper divisors (188304633368).

201220320232 is a wasteful number, since it uses less digits than its factorization.

201220320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138097 (or 138093 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 201220320232 its reverse (232023022102), we get a palindrome (433243342334).

The spelling of 201220320232 in words is "two hundred one billion, two hundred twenty million, three hundred twenty thousand, two hundred thirty-two".