20000211002001 has 24 divisors (see below), whose sum is σ = 29075553902304. Its totient is φ = 13247735081280.

The previous prime is 20000211001987. The next prime is 20000211002011. The reversal of 20000211002001 is 10020011200002.

It is not a de Polignac number, because 20000211002001 - 2¹⁰ = 20000211000977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20000211002011) 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 23 ways as a sum of consecutive naturals, for example, 10517751 + ... + 12272876.

It is an arithmetic number, because the mean of its divisors is an integer number (1211481412596).

Almost surely, 2^{20000211002001} is an apocalyptic number.

It is an amenable number.

20000211002001 is a deficient number, since it is larger than the sum of its proper divisors (9075342900303).

20000211002001 is a wasteful number, since it uses less digits than its factorization.

20000211002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22791261 (or 22791258 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20000211002001 its reverse (10020011200002), we get a palindrome (30020222202003).

The spelling of 20000211002001 in words is "twenty trillion, two hundred eleven million, two thousand, one".