20144221303024 has 80 divisors (see below), whose sum is σ = 48080012557248. Its totient is φ = 7961877374976.

The previous prime is 20144221302943. The next prime is 20144221303057. The reversal of 20144221303024 is 42030312244102.

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 = 20144221302983 and 20144221303001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4708747 + ... + 7903210.

Almost surely, 2^{20144221303024} is an apocalyptic number.

It is an amenable number.

20144221303024 is an abundant number, since it is smaller than the sum of its proper divisors (27935791254224).

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

20144221303024 is a wasteful number, since it uses less digits than its factorization.

20144221303024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12613082 (or 12613076 counting only the distinct ones).

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

Adding to 20144221303024 its reverse (42030312244102), we get a palindrome (62174533547126).

The spelling of 20144221303024 in words is "twenty trillion, one hundred forty-four billion, two hundred twenty-one million, three hundred three thousand, twenty-four".