20212023113220 has 24 divisors (see below), whose sum is σ = 56593664717184. Its totient is φ = 5389872830176.

The previous prime is 20212023113209. The next prime is 20212023113231. The reversal of 20212023113220 is 2231132021202.

It is an interprime number because it is at equal distance from previous prime (20212023113209) and next prime (20212023113231).

It is a super-3 number, since 3×20212023113220³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168433525884 + ... + 168433526003.

It is an arithmetic number, because the mean of its divisors is an integer number (2358069363216).

Almost surely, 2^{20212023113220} is an apocalyptic number.

20212023113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212023113220 is an abundant number, since it is smaller than the sum of its proper divisors (36381641603964).

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

20212023113220 is a wasteful number, since it uses less digits than its factorization.

20212023113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336867051899 (or 336867051897 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20212023113220 its reverse (2231132021202), we get a palindrome (22443155134422).

The spelling of 20212023113220 in words is "twenty trillion, two hundred twelve billion, twenty-three million, one hundred thirteen thousand, two hundred twenty".