2020020011001 has 32 divisors (see below), whose sum is σ = 3066776760320. Its totient is φ = 1313700764112.

The previous prime is 2020020010991. The next prime is 2020020011047. The reversal of 2020020011001 is 1001100200202.

It is not a de Polignac number, because 2020020011001 - 2¹³ = 2020020002809 is a prime.

It is a super-2 number, since 2×2020020011001² (a number of 25 digits) contains 22 as substring.

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 (2020020011081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5234305 + ... + 5606958.

It is an arithmetic number, because the mean of its divisors is an integer number (95836773760).

Almost surely, 2^{2020020011001} is an apocalyptic number.

It is an amenable number.

2020020011001 is a deficient number, since it is larger than the sum of its proper divisors (1046756749319).

2020020011001 is a wasteful number, since it uses less digits than its factorization.

2020020011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10841442 (or 10841436 counting only the distinct ones).

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

Adding to 2020020011001 its reverse (1001100200202), we get a palindrome (3021120211203).

The spelling of 2020020011001 in words is "two trillion, twenty billion, twenty million, eleven thousand, one".