20443412001 has 8 divisors (see below), whose sum is σ = 27258608704. Its totient is φ = 13628578320.

The previous prime is 20443411991. The next prime is 20443412009. The reversal of 20443412001 is 10021434402.

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

It is not a de Polignac number, because 20443412001 - 2¹⁴ = 20443395617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20443412009) 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, 94911 + ... + 223371.

It is an arithmetic number, because the mean of its divisors is an integer number (3407326088).

Almost surely, 2^20443412001 is an apocalyptic number.

It is an amenable number.

20443412001 is a deficient number, since it is larger than the sum of its proper divisors (6815196703).

20443412001 is a wasteful number, since it uses less digits than its factorization.

20443412001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181511.

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

Adding to 20443412001 its reverse (10021434402), we get a palindrome (30464846403).

The spelling of 20443412001 in words is "twenty billion, four hundred forty-three million, four hundred twelve thousand, one".