20201022021012 has 48 divisors (see below), whose sum is σ = 53870965596672. Its totient is φ = 5771551983840.

The previous prime is 20201022021001. The next prime is 20201022021043. The reversal of 20201022021012 is 21012022010202.

It is a junction number, because it is equal to n+sod(n) for n = 20201022020982 and 20201022021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605314 + ... + 6385017.

It is an arithmetic number, because the mean of its divisors is an integer number (1122311783264).

Almost surely, 2^{20201022021012} is an apocalyptic number.

It is an amenable number.

20201022021012 is an abundant number, since it is smaller than the sum of its proper divisors (33669943575660).

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

20201022021012 is a wasteful number, since it uses less digits than its factorization.

20201022021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024748 (or 7024746 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20201022021012 its reverse (21012022010202), we get a palindrome (41213044031214).

The spelling of 20201022021012 in words is "twenty trillion, two hundred one billion, twenty-two million, twenty-one thousand, twelve".