220020020011 has 4 divisors (see below), whose sum is σ = 240021840024. Its totient is φ = 200018200000.

The previous prime is 220020019963. The next prime is 220020020041. The reversal of 220020020011 is 110020020022.

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 220020020011 - 2²³ = 220011631403 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 220020020011.

It is not an unprimeable number, because it can be changed into a prime (220020020041) 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, 10000909990 + ... + 10000910011.

It is an arithmetic number, because the mean of its divisors is an integer number (60005460006).

Almost surely, 2^220020020011 is an apocalyptic number.

220020020011 is a deficient number, since it is larger than the sum of its proper divisors (20001820013).

220020020011 is a wasteful number, since it uses less digits than its factorization.

220020020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001820012.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220020020011 its reverse (110020020022), we get a palindrome (330040040033).

The spelling of 220020020011 in words is "two hundred twenty billion, twenty million, twenty thousand, eleven".