20323330201020 has 288 divisors, whose sum is σ = 71589159258624. Its totient is φ = 4216839390720.

The previous prime is 20323330201019. The next prime is 20323330201067. The reversal of 20323330201020 is 2010203332302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34417302 + ... + 35002818.

It is an arithmetic number, because the mean of its divisors is an integer number (248573469648).

Almost surely, 2^{20323330201020} is an apocalyptic number.

20323330201020 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 20323330201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35794579629312).

20323330201020 is an abundant number, since it is smaller than the sum of its proper divisors (51265829057604).

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

20323330201020 is a wasteful number, since it uses less digits than its factorization.

20323330201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586241 (or 586228 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20323330201020 its reverse (2010203332302), we get a palindrome (22333533533322).

The spelling of 20323330201020 in words is "twenty trillion, three hundred twenty-three billion, three hundred thirty million, two hundred one thousand, twenty".