20240040001 has 4 divisors (see below), whose sum is σ = 20316998592. Its totient is φ = 20163081412.

The previous prime is 20240039957. The next prime is 20240040011. The reversal of 20240040001 is 10004004202.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10004004202 = 2 ⋅5002002101.

It is a cyclic number.

It is not a de Polignac number, because 20240040001 - 2⁹ = 20240039489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20240040011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38478901 + ... + 38479426.

It is an arithmetic number, because the mean of its divisors is an integer number (5079249648).

Almost surely, 2^20240040001 is an apocalyptic number.

It is an amenable number.

20240040001 is a deficient number, since it is larger than the sum of its proper divisors (76958591).

20240040001 is an equidigital number, since it uses as much as digits as its factorization.

20240040001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76958590.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20240040001 its reverse (10004004202), we get a palindrome (30244044203).

The spelling of 20240040001 in words is "twenty billion, two hundred forty million, forty thousand, one".