20103122432 has 40 divisors (see below), whose sum is σ = 40214408256. Its totient is φ = 10039693312.

The previous prime is 20103122407. The next prime is 20103122449. The reversal of 20103122432 is 23422130102.

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, 419108 + ... + 464604.

Almost surely, 2^20103122432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20103122432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20107204128).

20103122432 is an abundant number, since it is smaller than the sum of its proper divisors (20111285824).

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

20103122432 is an frugal number, since it uses more digits than its factorization.

20103122432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46378 (or 46362 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20103122432 its reverse (23422130102), we get a palindrome (43525252534).

The spelling of 20103122432 in words is "twenty billion, one hundred three million, one hundred twenty-two thousand, four hundred thirty-two".