20102344321024 has 192 divisors, whose sum is σ = 46571379079680. Its totient is φ = 8497028382720.

The previous prime is 20102344320977. The next prime is 20102344321039. The reversal of 20102344321024 is 42012344320102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 20102344320983 and 20102344321001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348178239 + ... + 348235969.

It is an arithmetic number, because the mean of its divisors is an integer number (242559266040).

Almost surely, 2^{20102344321024} 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 20102344321024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23285689539840).

20102344321024 is an abundant number, since it is smaller than the sum of its proper divisors (26469034758656).

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

20102344321024 is a wasteful number, since it uses less digits than its factorization.

20102344321024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58094 (or 58074 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20102344321024 its reverse (42012344320102), we get a palindrome (62114688641126).

The spelling of 20102344321024 in words is "twenty trillion, one hundred two billion, three hundred forty-four million, three hundred twenty-one thousand, twenty-four".