2002020011 has 4 divisors (see below), whose sum is σ = 2119785912. Its totient is φ = 1884254112.

The previous prime is 2002019947. The next prime is 2002020029. The reversal of 2002020011 is 1100202002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1100202002 = 2 ⋅550101001.

It is a cyclic number.

It is not a de Polignac number, because 2002020011 - 2⁶ = 2002019947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002020071) 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, 58882925 + ... + 58882958.

It is an arithmetic number, because the mean of its divisors is an integer number (529946478).

Almost surely, 2^2002020011 is an apocalyptic number.

2002020011 is a deficient number, since it is larger than the sum of its proper divisors (117765901).

2002020011 is a wasteful number, since it uses less digits than its factorization.

2002020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117765900.

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

The square root of 2002020011 is about 44743.9382598358. The cubic root of 2002020011 is about 1260.3450828983.

Adding to 2002020011 its reverse (1100202002), we get a palindrome (3102222013).

It can be divided in two parts, 200202001 and 1, that added together give a palindrome (200202002).

The spelling of 2002020011 in words is "two billion, two million, twenty thousand, eleven".