20212020112120 has 64 divisors (see below), whose sum is σ = 46343066544000. Its totient is φ = 7930901142528.

The previous prime is 20212020112091. The next prime is 20212020112121. The reversal of 20212020112120 is 2121102021202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20212020112094 and 20212020112103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212020112121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11562276 + ... + 13195084.

It is an arithmetic number, because the mean of its divisors is an integer number (724110414750).

Almost surely, 2^{20212020112120} is an apocalyptic number.

20212020112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212020112120 is an abundant number, since it is smaller than the sum of its proper divisors (26131046431880).

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

20212020112120 is a wasteful number, since it uses less digits than its factorization.

20212020112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638712 (or 1638708 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212020112120 its reverse (2121102021202), we get a palindrome (22333122133322).

The spelling of 20212020112120 in words is "twenty trillion, two hundred twelve billion, twenty million, one hundred twelve thousand, one hundred twenty".