20144124330 has 256 divisors, whose sum is σ = 60048138240. Its totient is φ = 4260556800.

The previous prime is 20144124269. The next prime is 20144124389. The reversal of 20144124330 is 3342144102.

It is a self number, because there is not a number n which added to its sum of digits gives 20144124330.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5007720 + ... + 5011740.

It is an arithmetic number, because the mean of its divisors is an integer number (234563040).

Almost surely, 2^20144124330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20144124330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30024069120).

20144124330 is an abundant number, since it is smaller than the sum of its proper divisors (39904013910).

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

20144124330 is a wasteful number, since it uses less digits than its factorization.

20144124330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20144124330 its reverse (3342144102), we get a palindrome (23486268432).

The spelling of 20144124330 in words is "twenty billion, one hundred forty-four million, one hundred twenty-four thousand, three hundred thirty".