20201122232 has 16 divisors (see below), whose sum is σ = 38356562400. Its totient is φ = 9972705600.

The previous prime is 20201122213. The next prime is 20201122241. The reversal of 20201122232 is 23222110202.

It is a self number, because there is not a number n which added to its sum of digits gives 20201122232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15981269 + ... + 15982532.

It is an arithmetic number, because the mean of its divisors is an integer number (2397285150).

Almost surely, 2^20201122232 is an apocalyptic number.

It is an amenable number.

20201122232 is a deficient number, since it is larger than the sum of its proper divisors (18155440168).

20201122232 is a wasteful number, since it uses less digits than its factorization.

20201122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31963886 (or 31963882 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20201122232 its reverse (23222110202), we get a palindrome (43423232434).

The spelling of 20201122232 in words is "twenty billion, two hundred one million, one hundred twenty-two thousand, two hundred thirty-two".