20201222200120 has 64 divisors (see below), whose sum is σ = 49406583834720. Its totient is φ = 7389203326464.

The previous prime is 20201222200039. The next prime is 20201222200139. The reversal of 20201222200120 is 2100222210202.

It is a super-2 number, since 2×20201222200120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20201222200094 and 20201222200103.

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, 181479427 + ... + 181590706.

Almost surely, 2^{20201222200120} is an apocalyptic number.

20201222200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201222200120 is an abundant number, since it is smaller than the sum of its proper divisors (29205361634600).

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

20201222200120 is a wasteful number, since it uses less digits than its factorization.

20201222200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363070264 (or 363070260 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20201222200120 its reverse (2100222210202), we get a palindrome (22301444410322).

The spelling of 20201222200120 in words is "twenty trillion, two hundred one billion, two hundred twenty-two million, two hundred thousand, one hundred twenty".