20032012001 has 2 divisors, whose sum is σ = 20032012002. Its totient is φ = 20032012000.

The previous prime is 20032011997. The next prime is 20032012009. The reversal of 20032012001 is 10021023002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18653003776 + 1379008225 = 136576^2 + 37135^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032012001 - 2² = 20032011997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20032012009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016006000 + 10016006001.

It is an arithmetic number, because the mean of its divisors is an integer number (10016006001).

Almost surely, 2^20032012001 is an apocalyptic number.

It is an amenable number.

20032012001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032012001 is an equidigital number, since it uses as much as digits as its factorization.

20032012001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20032012001 its reverse (10021023002), we get a palindrome (30053035003).

The spelling of 20032012001 in words is "twenty billion, thirty-two million, twelve thousand, one".