20103202224 has 120 divisors (see below), whose sum is σ = 64336596480. Its totient is φ = 5740354944.

The previous prime is 20103202211. The next prime is 20103202241. The reversal of 20103202224 is 42220230102.

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 = 20103202197 and 20103202206.

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 23 ways as a sum of consecutive naturals, for example, 2038297 + ... + 2048135.

It is an arithmetic number, because the mean of its divisors is an integer number (536138304).

Almost surely, 2^20103202224 is an apocalyptic number.

20103202224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20103202224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32168298240).

20103202224 is an abundant number, since it is smaller than the sum of its proper divisors (44233394256).

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

20103202224 is a wasteful number, since it uses less digits than its factorization.

20103202224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887 (or 11878 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20103202224 its reverse (42220230102), we get a palindrome (62323432326).

The spelling of 20103202224 in words is "twenty billion, one hundred three million, two hundred two thousand, two hundred twenty-four".