20323143322020 has 432 divisors, whose sum is σ = 78242351241600. Its totient is φ = 4222372976640.

The previous prime is 20323143321991. The next prime is 20323143322033. The reversal of 20323143322020 is 2022334132302.

20323143322020 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 3 + 1 + 433 + 220 + 2 + 0 = 666.

It is a super-2 number, since 2×20323143322020² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 998228601 + ... + 998248959.

It is an arithmetic number, because the mean of its divisors is an integer number (181116553800).

Almost surely, 2^{20323143322020} is an apocalyptic number.

20323143322020 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 20323143322020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39121175620800).

20323143322020 is an abundant number, since it is smaller than the sum of its proper divisors (57919207919580).

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

20323143322020 is a wasteful number, since it uses less digits than its factorization.

20323143322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30688 (or 30676 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20323143322020 its reverse (2022334132302), we get a palindrome (22345477454322).

The spelling of 20323143322020 in words is "twenty trillion, three hundred twenty-three billion, one hundred forty-three million, three hundred twenty-two thousand, twenty".