20003213200001 has 4 divisors (see below), whose sum is σ = 20003856814404. Its totient is φ = 20002569585600.

The previous prime is 20003213199967. The next prime is 20003213200013. The reversal of 20003213200001 is 10000231230002.

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 2829847306225 + 17173365893776 = 1682215^2 + 4144076^2 .

It is a cyclic number.

It is not a de Polignac number, because 20003213200001 - 2⁴² = 15605166688897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003213200601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321760580 + ... + 321822741.

It is an arithmetic number, because the mean of its divisors is an integer number (5000964203601).

Almost surely, 2^{20003213200001} is an apocalyptic number.

It is an amenable number.

20003213200001 is a deficient number, since it is larger than the sum of its proper divisors (643614403).

20003213200001 is an equidigital number, since it uses as much as digits as its factorization.

20003213200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643614402.

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

Adding to 20003213200001 its reverse (10000231230002), we get a palindrome (30003444430003).

The spelling of 20003213200001 in words is "twenty trillion, three billion, two hundred thirteen million, two hundred thousand, one".