20303124144 has 80 divisors (see below), whose sum is σ = 54874202112. Its totient is φ = 6456423424.

The previous prime is 20303124077. The next prime is 20303124151. The reversal of 20303124144 is 44142130302.

It is a super-3 number, since 3×20303124144³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 398824 + ... + 446840.

Almost surely, 2^20303124144 is an apocalyptic number.

20303124144 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 20303124144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27437101056).

20303124144 is an abundant number, since it is smaller than the sum of its proper divisors (34571077968).

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

20303124144 is a wasteful number, since it uses less digits than its factorization.

20303124144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48434 (or 48428 counting only the distinct ones).

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

Adding to 20303124144 its reverse (44142130302), we get a palindrome (64445254446).

The spelling of 20303124144 in words is "twenty billion, three hundred three million, one hundred twenty-four thousand, one hundred forty-four".