20004145001 has 4 divisors (see below), whose sum is σ = 20013614292. Its totient is φ = 19994675712.

The previous prime is 20004144997. The next prime is 20004145013. The reversal of 20004145001 is 10054140002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207936400 + 19796208601 = 14420^2 + 140699^2 .

It is a cyclic number.

It is not a de Polignac number, because 20004145001 - 2² = 20004144997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20004148001) 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, 4731476 + ... + 4735701.

It is an arithmetic number, because the mean of its divisors is an integer number (5003403573).

Almost surely, 2^20004145001 is an apocalyptic number.

It is an amenable number.

20004145001 is a deficient number, since it is larger than the sum of its proper divisors (9469291).

20004145001 is an equidigital number, since it uses as much as digits as its factorization.

20004145001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9469290.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 20004145001 its reverse (10054140002), we get a palindrome (30058285003).

The spelling of 20004145001 in words is "twenty billion, four million, one hundred forty-five thousand, one".