20020012012011 has 16 divisors (see below), whose sum is σ = 29554644601728. Its totient is φ = 11952245976000.

The previous prime is 20020012011943. The next prime is 20020012012031. The reversal of 20020012012011 is 11021021002002.

It is not a de Polignac number, because 20020012012011 - 2¹⁵ = 20020011979243 is a prime.

It is a super-3 number, since 3×20020012012011³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20020012012031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4527363690 + ... + 4527368111.

It is an arithmetic number, because the mean of its divisors is an integer number (1847165287608).

Almost surely, 2^{20020012012011} is an apocalyptic number.

20020012012011 is a deficient number, since it is larger than the sum of its proper divisors (9534632589717).

20020012012011 is a wasteful number, since it uses less digits than its factorization.

20020012012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054731882.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20020012012011 its reverse (11021021002002), we get a palindrome (31041033014013).

The spelling of 20020012012011 in words is "twenty trillion, twenty billion, twelve million, twelve thousand, eleven".