20201213200220 has 96 divisors (see below), whose sum is σ = 48199887859200. Its totient is φ = 7050238113024.

The previous prime is 20201213200187. The next prime is 20201213200237. The reversal of 20201213200220 is 2200231210202.

It is a congruent number.

It is an unprimeable number.

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, 2488874 + ... + 6826193.

It is an arithmetic number, because the mean of its divisors is an integer number (502082165200).

Almost surely, 2^{20201213200220} is an apocalyptic number.

20201213200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201213200220 is an abundant number, since it is smaller than the sum of its proper divisors (27998674658980).

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

20201213200220 is a wasteful number, since it uses less digits than its factorization.

20201213200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9315547 (or 9315545 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20201213200220 its reverse (2200231210202), we get a palindrome (22401444410422).

The spelling of 20201213200220 in words is "twenty trillion, two hundred one billion, two hundred thirteen million, two hundred thousand, two hundred twenty".