20020012000111 has 4 divisors (see below), whose sum is σ = 20020026882312. Its totient is φ = 20019997117912.

The previous prime is 20020012000081. The next prime is 20020012000117. The reversal of 20020012000111 is 11100021002002.

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 20020012000111 - 2¹⁵ = 20020011967343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020012000117) 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, 5197825 + ... + 8188858.

It is an arithmetic number, because the mean of its divisors is an integer number (5005006720578).

Almost surely, 2^{20020012000111} is an apocalyptic number.

20020012000111 is a deficient number, since it is larger than the sum of its proper divisors (14882201).

20020012000111 is a wasteful number, since it uses less digits than its factorization.

20020012000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14882200.

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

Adding to 20020012000111 its reverse (11100021002002), we get a palindrome (31120033002113).

The spelling of 20020012000111 in words is "twenty trillion, twenty billion, twelve million, one hundred eleven", and thus it is an aban number.