20201200012220 has 36 divisors (see below), whose sum is σ = 43482452186712. Its totient is φ = 7883395113600.

The previous prime is 20201200012219. The next prime is 20201200012223. The reversal of 20201200012220 is 2221000210202.

It is a junction number, because it is equal to n+sod(n) for n = 20201200012195 and 20201200012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201200012223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300400646 + ... + 300467885.

Almost surely, 2^{20201200012220} is an apocalyptic number.

20201200012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201200012220 is an abundant number, since it is smaller than the sum of its proper divisors (23281252174492).

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

20201200012220 is a wasteful number, since it uses less digits than its factorization.

20201200012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600868622 (or 600868579 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20201200012220 its reverse (2221000210202), we get a palindrome (22422200222422).

The spelling of 20201200012220 in words is "twenty trillion, two hundred one billion, two hundred million, twelve thousand, two hundred twenty".