20204313102020 has 96 divisors (see below), whose sum is σ = 45034262461440. Its totient is φ = 7597625143680.

The previous prime is 20204313102011. The next prime is 20204313102041. The reversal of 20204313102020 is 2020131340202.

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 = 20204313101983 and 20204313102001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124844555 + ... + 125006285.

It is an arithmetic number, because the mean of its divisors is an integer number (469106900640).

Almost surely, 2^{20204313102020} is an apocalyptic number.

20204313102020 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 20204313102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22517131230720).

20204313102020 is an abundant number, since it is smaller than the sum of its proper divisors (24829949359420).

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

20204313102020 is a wasteful number, since it uses less digits than its factorization.

20204313102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166425 (or 166423 counting only the distinct ones).

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

Adding to 20204313102020 its reverse (2020131340202), we get a palindrome (22224444442222).

The spelling of 20204313102020 in words is "twenty trillion, two hundred four billion, three hundred thirteen million, one hundred two thousand, twenty".