20022000111 has 48 divisors (see below), whose sum is σ = 29943478656. Its totient is φ = 12885432768.

The previous prime is 20022000083. The next prime is 20022000127. The reversal of 20022000111 is 11100022002.

It is not a de Polignac number, because 20022000111 - 2¹¹ = 20021998063 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 = 20022000093 and 20022000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022000161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11203360 + ... + 11205146.

It is an arithmetic number, because the mean of its divisors is an integer number (623822472).

Almost surely, 2^20022000111 is an apocalyptic number.

20022000111 is a deficient number, since it is larger than the sum of its proper divisors (9921478545).

20022000111 is a wasteful number, since it uses less digits than its factorization.

20022000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212 (or 2209 counting only the distinct ones).

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

Adding to 20022000111 its reverse (11100022002), we get a palindrome (31122022113).

The spelling of 20022000111 in words is "twenty billion, twenty-two million, one hundred eleven", and thus it is an aban number.