20020110011 has 8 divisors (see below), whose sum is σ = 22056360048. Its totient is φ = 18019900000.

The previous prime is 20020110007. The next prime is 20020110013. The reversal of 20020110011 is 11001102002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20020110011 - 2² = 20020110007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020110013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9008840 + ... + 9011061.

It is an arithmetic number, because the mean of its divisors is an integer number (2757045006).

Almost surely, 2^20020110011 is an apocalyptic number.

20020110011 is a deficient number, since it is larger than the sum of its proper divisors (2036250037).

20020110011 is a wasteful number, since it uses less digits than its factorization.

20020110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18020013.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20020110011 its reverse (11001102002), we get a palindrome (31021212013).

It can be divided in two parts, 20020 and 110011, that added together give a palindrome (130031).

The spelling of 20020110011 in words is "twenty billion, twenty million, one hundred ten thousand, eleven".