20202212031320 has 256 divisors, whose sum is σ = 53540403840000. Its totient is φ = 6782911027200.

The previous prime is 20202212031311. The next prime is 20202212031383. The reversal of 20202212031320 is 2313021220202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20202212031292 and 20202212031301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2259498050 + ... + 2259506990.

It is an arithmetic number, because the mean of its divisors is an integer number (209142202500).

Almost surely, 2^{20202212031320} is an apocalyptic number.

20202212031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202212031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26770201920000).

20202212031320 is an abundant number, since it is smaller than the sum of its proper divisors (33338191808680).

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

20202212031320 is a wasteful number, since it uses less digits than its factorization.

20202212031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16714 (or 16710 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20202212031320 its reverse (2313021220202), we get a palindrome (22515233251522).

The spelling of 20202212031320 in words is "twenty trillion, two hundred two billion, two hundred twelve million, thirty-one thousand, three hundred twenty".