20201120012120 has 16 divisors (see below), whose sum is σ = 45452520027360. Its totient is φ = 8080448004832.

The previous prime is 20201120012113. The next prime is 20201120012123. The reversal of 20201120012120 is 2121002110202.

It is a junction number, because it is equal to n+sod(n) for n = 20201120012095 and 20201120012104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201120012123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252514000112 + ... + 252514000191.

It is an arithmetic number, because the mean of its divisors is an integer number (2840782501710).

Almost surely, 2^{20201120012120} is an apocalyptic number.

20201120012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201120012120 is an abundant number, since it is smaller than the sum of its proper divisors (25251400015240).

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

20201120012120 is a wasteful number, since it uses less digits than its factorization.

20201120012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505028000314 (or 505028000310 counting only the distinct ones).

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

Adding to 20201120012120 its reverse (2121002110202), we get a palindrome (22322122122322).

The spelling of 20201120012120 in words is "twenty trillion, two hundred one billion, one hundred twenty million, twelve thousand, one hundred twenty".