20020012112011 has 8 divisors (see below), whose sum is σ = 20044004132880. Its totient is φ = 19996025344512.

The previous prime is 20020012111987. The next prime is 20020012112041. The reversal of 20020012112011 is 11021121002002.

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 20020012112011 - 2¹¹ = 20020012109963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020012111982 and 20020012112000.

It is not an unprimeable number, because it can be changed into a prime (20020012112041) 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, 6339696 + ... + 8957218.

It is an arithmetic number, because the mean of its divisors is an integer number (2505500516610).

Almost surely, 2^{20020012112011} is an apocalyptic number.

20020012112011 is a deficient number, since it is larger than the sum of its proper divisors (23992020869).

20020012112011 is an equidigital number, since it uses as much as digits as its factorization.

20020012112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626685.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20020012112011 its reverse (11021121002002), we get a palindrome (31041133114013).

The spelling of 20020012112011 in words is "twenty trillion, twenty billion, twelve million, one hundred twelve thousand, eleven".