220020101011 has 4 divisors (see below), whose sum is σ = 232962459912. Its totient is φ = 207077742112.

The previous prime is 220020100999. The next prime is 220020101039. The reversal of 220020101011 is 110101020022.

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 220020101011 - 2¹⁵ = 220020068243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220020101071) 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, 6471179425 + ... + 6471179458.

It is an arithmetic number, because the mean of its divisors is an integer number (58240614978).

Almost surely, 2^220020101011 is an apocalyptic number.

220020101011 is a deficient number, since it is larger than the sum of its proper divisors (12942358901).

220020101011 is a wasteful number, since it uses less digits than its factorization.

220020101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12942358900.

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

Adding to 220020101011 its reverse (110101020022), we get a palindrome (330121121033).

The spelling of 220020101011 in words is "two hundred twenty billion, twenty million, one hundred one thousand, eleven".