20013032020001 has 4 divisors (see below), whose sum is σ = 20013051422100. Its totient is φ = 20013012617904.

The previous prime is 20013032019997. The next prime is 20013032020027. The reversal of 20013032020001 is 10002023031002.

It is a happy number.

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 17160935915776 + 2852096104225 = 4142576^2 + 1688815^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013032020001 - 2² = 20013032019997 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 (20013032020031) 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, 8061446 + ... + 10247583.

It is an arithmetic number, because the mean of its divisors is an integer number (5003262855525).

Almost surely, 2^{20013032020001} is an apocalyptic number.

It is an amenable number.

20013032020001 is a deficient number, since it is larger than the sum of its proper divisors (19402099).

20013032020001 is a wasteful number, since it uses less digits than its factorization.

20013032020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19402098.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20013032020001 its reverse (10002023031002), we get a palindrome (30015055051003).

The spelling of 20013032020001 in words is "twenty trillion, thirteen billion, thirty-two million, twenty thousand, one".