20103211232 has 48 divisors (see below), whose sum is σ = 42655192272. Its totient is φ = 9271326720.

The previous prime is 20103211223. The next prime is 20103211259. The reversal of 20103211232 is 23211230102.

It is a self number, because there is not a number n which added to its sum of digits gives 20103211232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548423 + ... + 583929.

It is an arithmetic number, because the mean of its divisors is an integer number (888649839).

Almost surely, 2^20103211232 is an apocalyptic number.

It is an amenable number.

20103211232 is an abundant number, since it is smaller than the sum of its proper divisors (22551981040).

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

20103211232 is a wasteful number, since it uses less digits than its factorization.

20103211232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36891 (or 36883 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20103211232 its reverse (23211230102), we get a palindrome (43314441334).

The spelling of 20103211232 in words is "twenty billion, one hundred three million, two hundred eleven thousand, two hundred thirty-two".