20340424001 has 4 divisors (see below), whose sum is σ = 20344577472. Its totient is φ = 20336270532.

The previous prime is 20340423997. The next prime is 20340424009. The reversal of 20340424001 is 10042404302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20340424001 - 2² = 20340423997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20340424009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069381 + ... + 2079186.

It is an arithmetic number, because the mean of its divisors is an integer number (5086144368).

Almost surely, 2^20340424001 is an apocalyptic number.

It is an amenable number.

20340424001 is a deficient number, since it is larger than the sum of its proper divisors (4153471).

20340424001 is an equidigital number, since it uses as much as digits as its factorization.

20340424001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153470.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20340424001 its reverse (10042404302), we get a palindrome (30382828303).

The spelling of 20340424001 in words is "twenty billion, three hundred forty million, four hundred twenty-four thousand, one".