20213421041 has 8 divisors (see below), whose sum is σ = 22361583168. Its totient is φ = 18117022000.

The previous prime is 20213420999. The next prime is 20213421061. The reversal of 20213421041 is 14012431202.

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

It is not a de Polignac number, because 20213421041 - 2²⁶ = 20146312177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20213421061) 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, 12939950 + ... + 12941511.

It is an arithmetic number, because the mean of its divisors is an integer number (2795197896).

Almost surely, 2^20213421041 is an apocalyptic number.

It is an amenable number.

20213421041 is a deficient number, since it is larger than the sum of its proper divisors (2148162127).

20213421041 is a wasteful number, since it uses less digits than its factorization.

20213421041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25881543.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20213421041 its reverse (14012431202), we get a palindrome (34225852243).

The spelling of 20213421041 in words is "twenty billion, two hundred thirteen million, four hundred twenty-one thousand, forty-one".