20012013001 has 2 divisors, whose sum is σ = 20012013002. Its totient is φ = 20012013000.

The previous prime is 20012012963. The next prime is 20012013011. The reversal of 20012013001 is 10031021002.

It is an a-pointer prime, because the next prime (20012013011) can be obtained adding 20012013001 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13539649600 + 6472363401 = 116360^2 + 80451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20012013001 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012013011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006006500 + 10006006501.

It is an arithmetic number, because the mean of its divisors is an integer number (10006006501).

Almost surely, 2^20012013001 is an apocalyptic number.

It is an amenable number.

20012013001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012013001 is an equidigital number, since it uses as much as digits as its factorization.

20012013001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20012013001 its reverse (10031021002), we get a palindrome (30043034003).

The spelling of 20012013001 in words is "twenty billion, twelve million, thirteen thousand, one".