20000220100011 has 40 divisors (see below), whose sum is σ = 31189445537184. Its totient is φ = 12748208457600.

The previous prime is 20000220099997. The next prime is 20000220100019. The reversal of 20000220100011 is 11000102200002.

It is not a de Polignac number, because 20000220100011 - 2²¹ = 20000218002859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20000220099966 and 20000220100002.

It is not an unprimeable number, because it can be changed into a prime (20000220100019) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1942461 + ... + 6616161.

Almost surely, 2^{20000220100011} is an apocalyptic number.

20000220100011 is a deficient number, since it is larger than the sum of its proper divisors (11189225437173).

20000220100011 is a wasteful number, since it uses less digits than its factorization.

20000220100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676033 (or 4676024 counting only the distinct ones).

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

Adding to 20000220100011 its reverse (11000102200002), we get a palindrome (31000322300013).

The spelling of 20000220100011 in words is "twenty trillion, two hundred twenty million, one hundred thousand, eleven".