20020012122011 has 32 divisors (see below), whose sum is σ = 23776800149952. Its totient is φ = 16647455784960.

The previous prime is 20020012122007. The next prime is 20020012122041. The reversal of 20020012122011 is 11022121002002.

It is not a de Polignac number, because 20020012122011 - 2² = 20020012122007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020012122041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4418315 + ... + 7717611.

It is an arithmetic number, because the mean of its divisors is an integer number (743025004686).

Almost surely, 2^{20020012122011} is an apocalyptic number.

20020012122011 is a deficient number, since it is larger than the sum of its proper divisors (3756788027941).

20020012122011 is a wasteful number, since it uses less digits than its factorization.

20020012122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300239.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020012122011 its reverse (11022121002002), we get a palindrome (31042133124013).

The spelling of 20020012122011 in words is "twenty trillion, twenty billion, twelve million, one hundred twenty-two thousand, eleven".