20424021141 has 8 divisors (see below), whose sum is σ = 27279889920. Its totient is φ = 13592083232.

The previous prime is 20424021133. The next prime is 20424021161. The reversal of 20424021141 is 14112042402.

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 20424021141 - 2³ = 20424021133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424021161) 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, 5980725 + ... + 5984138.

It is an arithmetic number, because the mean of its divisors is an integer number (3409986240).

Almost surely, 2^20424021141 is an apocalyptic number.

It is an amenable number.

20424021141 is a deficient number, since it is larger than the sum of its proper divisors (6855868779).

20424021141 is a wasteful number, since it uses less digits than its factorization.

20424021141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11965435.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20424021141 its reverse (14112042402), we get a palindrome (34536063543).

The spelling of 20424021141 in words is "twenty billion, four hundred twenty-four million, twenty-one thousand, one hundred forty-one".