20203141224 has 128 divisors (see below), whose sum is σ = 61197776640. Its totient is φ = 5425754112.

The previous prime is 20203141213. The next prime is 20203141229. The reversal of 20203141224 is 42214130202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20203141224.

It is not an unprimeable number, because it can be changed into a prime (20203141229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2432022 + ... + 2440314.

It is an arithmetic number, because the mean of its divisors is an integer number (478107630).

Almost surely, 2^20203141224 is an apocalyptic number.

20203141224 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 20203141224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30598888320).

20203141224 is an abundant number, since it is smaller than the sum of its proper divisors (40994635416).

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

20203141224 is a wasteful number, since it uses less digits than its factorization.

20203141224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9179 (or 9175 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20203141224 its reverse (42214130202), we get a palindrome (62417271426).

The spelling of 20203141224 in words is "twenty billion, two hundred three million, one hundred forty-one thousand, two hundred twenty-four".