20140442001 has 6 divisors (see below), whose sum is σ = 29091749570. Its totient is φ = 13426961328.

The previous prime is 20140441991. The next prime is 20140442033. The reversal of 20140442001 is 10024404102.

20140442001 is a `hidden beast` number, since 201 + 40 + 4 + 420 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19621285776 + 519156225 = 140076^2 + 22785^2 .

It is not a de Polignac number, because 20140442001 - 2⁵ = 20140441969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20140482001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1118913436 + ... + 1118913453.

Almost surely, 2^20140442001 is an apocalyptic number.

It is an amenable number.

20140442001 is a deficient number, since it is larger than the sum of its proper divisors (8951307569).

20140442001 is a wasteful number, since it uses less digits than its factorization.

20140442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237826895 (or 2237826892 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20140442001 its reverse (10024404102), we get a palindrome (30164846103).

The spelling of 20140442001 in words is "twenty billion, one hundred forty million, four hundred forty-two thousand, one".