20043224121 has 8 divisors (see below), whose sum is σ = 27886224960. Its totient is φ = 12781186352.

The previous prime is 20043224107. The next prime is 20043224137. The reversal of 20043224121 is 12142234002.

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

It is a cyclic number.

It is not a de Polignac number, because 20043224121 - 2²⁵ = 20009669689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20043224161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145240686 + ... + 145240823.

It is an arithmetic number, because the mean of its divisors is an integer number (3485778120).

Almost surely, 2^20043224121 is an apocalyptic number.

It is an amenable number.

20043224121 is a deficient number, since it is larger than the sum of its proper divisors (7843000839).

20043224121 is a wasteful number, since it uses less digits than its factorization.

20043224121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290481535.

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

Adding to 20043224121 its reverse (12142234002), we get a palindrome (32185458123).

The spelling of 20043224121 in words is "twenty billion, forty-three million, two hundred twenty-four thousand, one hundred twenty-one".