20000142440001 has 24 divisors (see below), whose sum is σ = 29549709958184. Its totient is φ = 13031313384960.

The previous prime is 20000142439967. The next prime is 20000142440011. The reversal of 20000142440001 is 10004424100002.

20000142440001 is a `hidden beast` number, since 200 + 0 + 0 + 1 + 424 + 40 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2498043470400 + 17502098969601 = 1580520^2 + 4183551^2 .

It is not a de Polignac number, because 20000142440001 - 2⁷ = 20000142439873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000142440011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115933336 + ... + 116105721.

Almost surely, 2^{20000142440001} is an apocalyptic number.

It is an amenable number.

20000142440001 is a deficient number, since it is larger than the sum of its proper divisors (9549567518183).

20000142440001 is a wasteful number, since it uses less digits than its factorization.

20000142440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232039281 (or 232039278 counting only the distinct ones).

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

Adding to 20000142440001 its reverse (10004424100002), we get a palindrome (30004566540003).

The spelling of 20000142440001 in words is "twenty trillion, one hundred forty-two million, four hundred forty thousand, one".