20201022021011 has 32 divisors (see below), whose sum is σ = 22767918421248. Its totient is φ = 17800395125760.

The previous prime is 20201022021001. The next prime is 20201022021043. The reversal of 20201022021011 is 11012022010202.

It is a de Polignac number, because none of the positive numbers 2^k-20201022021011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201022021001) 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, 9393125 + ... + 11341641.

It is an arithmetic number, because the mean of its divisors is an integer number (711497450664).

Almost surely, 2^{20201022021011} is an apocalyptic number.

20201022021011 is a deficient number, since it is larger than the sum of its proper divisors (2566896400237).

20201022021011 is a wasteful number, since it uses less digits than its factorization.

20201022021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948991.

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

Adding to 20201022021011 its reverse (11012022010202), we get a palindrome (31213044031213).

The spelling of 20201022021011 in words is "twenty trillion, two hundred one billion, twenty-two million, twenty-one thousand, eleven".