20040000001 has 8 divisors (see below), whose sum is σ = 22905316544. Its totient is φ = 17175298320.

The previous prime is 20039999957. The next prime is 20040000031. The reversal of 20040000001 is 10000004002.

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

It is a cyclic number.

It is not a de Polignac number, because 20040000001 - 2⁷ = 20039999873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20040000031) 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 7 ways as a sum of consecutive naturals, for example, 81615 + ... + 216196.

It is an arithmetic number, because the mean of its divisors is an integer number (2863164568).

Almost surely, 2^20040000001 is an apocalyptic number.

It is an amenable number.

20040000001 is a deficient number, since it is larger than the sum of its proper divisors (2865316543).

20040000001 is an equidigital number, since it uses as much as digits as its factorization.

20040000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307431.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20040000001 its reverse (10000004002), we get a palindrome (30040004003).

The spelling of 20040000001 in words is "twenty billion, forty million, one", and thus it is an aban number and an uban number.