20203013244 has 24 divisors (see below), whose sum is σ = 47142759888. Its totient is φ = 6733995520.

The previous prime is 20203013189. The next prime is 20203013249. The reversal of 20203013244 is 44231030202.

It is a self number, because there is not a number n which added to its sum of digits gives 20203013244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203013249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340684 + ... + 395564.

It is an arithmetic number, because the mean of its divisors is an integer number (1964281662).

Almost surely, 2^20203013244 is an apocalyptic number.

It is an amenable number.

20203013244 is an abundant number, since it is smaller than the sum of its proper divisors (26939746644).

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

20203013244 is a wasteful number, since it uses less digits than its factorization.

20203013244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85565 (or 85563 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20203013244 its reverse (44231030202), we get a palindrome (64434043446).

The spelling of 20203013244 in words is "twenty billion, two hundred three million, thirteen thousand, two hundred forty-four".