20210201000001 has 20 divisors (see below), whose sum is σ = 30190678056000. Its totient is φ = 13473408922776.

The previous prime is 20210200999981. The next prime is 20210201000039. The reversal of 20210201000001 is 10000010201202.

It is not a de Polignac number, because 20210201000001 - 2¹⁵ = 20210200967233 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (20210201000051) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26637700 + ... + 27385898.

It is an arithmetic number, because the mean of its divisors is an integer number (1509533902800).

Almost surely, 2^{20210201000001} is an apocalyptic number.

It is an amenable number.

20210201000001 is a deficient number, since it is larger than the sum of its proper divisors (9980477055999).

20210201000001 is an equidigital number, since it uses as much as digits as its factorization.

20210201000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081690 (or 1081681 counting only the distinct ones).

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

Adding to 20210201000001 its reverse (10000010201202), we get a palindrome (30210211201203).

The spelling of 20210201000001 in words is "twenty trillion, two hundred ten billion, two hundred one million, one", and thus it is an aban number.