20020012021110 has 64 divisors (see below), whose sum is σ = 49340065185792. Its totient is φ = 5196696575616.

The previous prime is 20020012021063. The next prime is 20020012021111. The reversal of 20020012021110 is 1112021002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020012021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49369734 + ... + 49773593.

It is an arithmetic number, because the mean of its divisors is an integer number (770938518528).

Almost surely, 2^{20020012021110} is an apocalyptic number.

20020012021110 is an abundant number, since it is smaller than the sum of its proper divisors (29320053164682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20020012021110 is a wasteful number, since it uses less digits than its factorization.

20020012021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99143517.

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

Adding to 20020012021110 its reverse (1112021002002), we get a palindrome (21132033023112).

The spelling of 20020012021110 in words is "twenty trillion, twenty billion, twelve million, twenty-one thousand, one hundred ten".