20011002007 has 2 divisors, whose sum is σ = 20011002008. Its totient is φ = 20011002006.

The previous prime is 20011001987. The next prime is 20011002031. The reversal of 20011002007 is 70020011002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20011002007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011002097) 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 as a sum of consecutive naturals, namely, 10005501003 + 10005501004.

It is an arithmetic number, because the mean of its divisors is an integer number (10005501004).

Almost surely, 2^20011002007 is an apocalyptic number.

20011002007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011002007 is an equidigital number, since it uses as much as digits as its factorization.

20011002007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

Adding to 20011002007 its reverse (70020011002), we get a palindrome (90031013009).

The spelling of 20011002007 in words is "twenty billion, eleven million, two thousand, seven".