20022111011 has 8 divisors (see below), whose sum is σ = 23440520544. Its totient is φ = 16743228480.

The previous prime is 20022111007. The next prime is 20022111017. The reversal of 20022111011 is 11011122002.

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 20022111011 - 2² = 20022111007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022110983 and 20022111001.

It is not an unprimeable number, because it can be changed into a prime (20022111017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34881440 + ... + 34882013.

It is an arithmetic number, because the mean of its divisors is an integer number (2930065068).

Almost surely, 2^20022111011 is an apocalyptic number.

20022111011 is a deficient number, since it is larger than the sum of its proper divisors (3418409533).

20022111011 is an equidigital number, since it uses as much as digits as its factorization.

20022111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69763501.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20022111011 its reverse (11011122002), we get a palindrome (31033233013).

The spelling of 20022111011 in words is "twenty billion, twenty-two million, one hundred eleven thousand, eleven".