2020101001 has 4 divisors (see below), whose sum is σ = 2020609152. Its totient is φ = 2019592852.

The previous prime is 2020100981. The next prime is 2020101023. The reversal of 2020101001 is 1001010202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020101001 - 2¹⁷ = 2019969929 is a prime.

It is a super-3 number, since 3×2020101001³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020102001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248065 + ... + 256078.

It is an arithmetic number, because the mean of its divisors is an integer number (505152288).

Almost surely, 2^2020101001 is an apocalyptic number.

It is an amenable number.

2020101001 is a deficient number, since it is larger than the sum of its proper divisors (508151).

2020101001 is an equidigital number, since it uses as much as digits as its factorization.

2020101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508150.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2020101001 is about 44945.5337158210. The cubic root of 2020101001 is about 1264.1279331685.

Adding to 2020101001 its reverse (1001010202), we get a palindrome (3021111203).

The spelling of 2020101001 in words is "two billion, twenty million, one hundred one thousand, one".