20000210102001 has 24 divisors (see below), whose sum is σ = 29670591926144. Its totient is φ = 12972842284320.

The previous prime is 20000210101871. The next prime is 20000210102023. The reversal of 20000210102001 is 10020101200002.

It is not a de Polignac number, because 20000210102001 - 2⁹ = 20000210101489 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000210102051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16280790 + ... + 17466096.

Almost surely, 2^{20000210102001} is an apocalyptic number.

It is an amenable number.

20000210102001 is a deficient number, since it is larger than the sum of its proper divisors (9670381824143).

20000210102001 is a wasteful number, since it uses less digits than its factorization.

20000210102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236021 (or 1236018 counting only the distinct ones).

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

Adding to 20000210102001 its reverse (10020101200002), we get a palindrome (30020311302003).

The spelling of 20000210102001 in words is "twenty trillion, two hundred ten million, one hundred two thousand, one".