20220000011 has 4 divisors (see below), whose sum is σ = 20220319224. Its totient is φ = 20219680800.

The previous prime is 20219999999. The next prime is 20220000079. The reversal of 20220000011 is 11000002202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220000011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220006011) 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, 28925 + ... + 203166.

It is an arithmetic number, because the mean of its divisors is an integer number (5055079806).

Almost surely, 2^20220000011 is an apocalyptic number.

20220000011 is a deficient number, since it is larger than the sum of its proper divisors (319213).

20220000011 is an equidigital number, since it uses as much as digits as its factorization.

20220000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319212.

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

Adding to 20220000011 its reverse (11000002202), we get a palindrome (31220002213).

The spelling of 20220000011 in words is "twenty billion, two hundred twenty million, eleven", and thus it is an aban number.