20020201010011 has 4 divisors (see below), whose sum is σ = 20107625468800. Its totient is φ = 19932776551224.

The previous prime is 20020201010003. The next prime is 20020201010041. The reversal of 20020201010011 is 11001010202002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20020201010011 - 2³ = 20020201010003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20020201010011.

It is not an unprimeable number, because it can be changed into a prime (20020201010041) 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, 43712229051 + ... + 43712229508.

It is an arithmetic number, because the mean of its divisors is an integer number (5026906367200).

Almost surely, 2^{20020201010011} is an apocalyptic number.

20020201010011 is a deficient number, since it is larger than the sum of its proper divisors (87424458789).

20020201010011 is an equidigital number, since it uses as much as digits as its factorization.

20020201010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87424458788.

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

Adding to 20020201010011 its reverse (11001010202002), we get a palindrome (31021211212013).

The spelling of 20020201010011 in words is "twenty trillion, twenty billion, two hundred one million, ten thousand, eleven".