20431443201 has 8 divisors (see below), whose sum is σ = 29337456960. Its totient is φ = 12573195792.

The previous prime is 20431443199. The next prime is 20431443233. The reversal of 20431443201 is 10234413402.

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

It is not a de Polignac number, because 20431443201 - 2¹ = 20431443199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20431443301) 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, 261941541 + ... + 261941618.

It is an arithmetic number, because the mean of its divisors is an integer number (3667182120).

Almost surely, 2^20431443201 is an apocalyptic number.

It is an amenable number.

20431443201 is a deficient number, since it is larger than the sum of its proper divisors (8906013759).

20431443201 is a wasteful number, since it uses less digits than its factorization.

20431443201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523883175.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20431443201 its reverse (10234413402), we get a palindrome (30665856603).

The spelling of 20431443201 in words is "twenty billion, four hundred thirty-one million, four hundred forty-three thousand, two hundred one".