20201001020011 has 12 divisors (see below), whose sum is σ = 23499666485568. Its totient is φ = 17314743736752.

The previous prime is 20201001019963. The next prime is 20201001020069. The reversal of 20201001020011 is 11002010010202.

It is not a de Polignac number, because 20201001020011 - 2¹³ = 20201001011819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20201001020011.

It is not an unprimeable number, because it can be changed into a prime (20201001060011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2609236 + ... + 6870961.

It is an arithmetic number, because the mean of its divisors is an integer number (1958305540464).

Almost surely, 2^{20201001020011} is an apocalyptic number.

20201001020011 is a deficient number, since it is larger than the sum of its proper divisors (3298665465557).

20201001020011 is an equidigital number, since it uses as much as digits as its factorization.

20201001020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9523698 (or 9523691 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20201001020011 its reverse (11002010010202), we get a palindrome (31203011030213).

The spelling of 20201001020011 in words is "twenty trillion, two hundred one billion, one million, twenty thousand, eleven".