22020043503 has 8 divisors (see below), whose sum is σ = 29463804928. Its totient is φ = 14628155544.

The previous prime is 22020043469. The next prime is 22020043511. The reversal of 22020043503 is 30534002022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22020043503 - 2¹⁰ = 22020042479 is a prime.

It is a super-3 number, since 3×22020043503³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22020043503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020043403) 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, 12967375 + ... + 12969072.

It is an arithmetic number, because the mean of its divisors is an integer number (3682975616).

Almost surely, 2^22020043503 is an apocalyptic number.

22020043503 is a deficient number, since it is larger than the sum of its proper divisors (7443761425).

22020043503 is a wasteful number, since it uses less digits than its factorization.

22020043503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25936733.

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 22020043503 its reverse (30534002022), we get a palindrome (52554045525).

The spelling of 22020043503 in words is "twenty-two billion, twenty million, forty-three thousand, five hundred three".