20363434342020 has 288 divisors, whose sum is σ = 77023028549376. Its totient is φ = 4230691430400.

The previous prime is 20363434342003. The next prime is 20363434342021. The reversal of 20363434342020 is 2024343436302.

20363434342020 is a `hidden beast` number, since 20 + 363 + 43 + 4 + 34 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20363434342021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89713312 + ... + 89940008.

It is an arithmetic number, because the mean of its divisors is an integer number (267441071352).

Almost surely, 2^{20363434342020} is an apocalyptic number.

20363434342020 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 20363434342020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38511514274688).

20363434342020 is an abundant number, since it is smaller than the sum of its proper divisors (56659594207356).

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

20363434342020 is a wasteful number, since it uses less digits than its factorization.

20363434342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233211 (or 233206 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 20363434342020 its reverse (2024343436302), we get a palindrome (22387777778322).

The spelling of 20363434342020 in words is "twenty trillion, three hundred sixty-three billion, four hundred thirty-four million, three hundred forty-two thousand, twenty".