20200110020020 has 96 divisors (see below), whose sum is σ = 49804584786432. Its totient is φ = 6736668922368.

The previous prime is 20200110020009. The next prime is 20200110020033. The reversal of 20200110020020 is 2002001100202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20200110019979 and 20200110020006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17877097 + ... + 18973423.

It is an arithmetic number, because the mean of its divisors is an integer number (518797758192).

Almost surely, 2^{20200110020020} is an apocalyptic number.

20200110020020 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 20200110020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24902292393216).

20200110020020 is an abundant number, since it is smaller than the sum of its proper divisors (29604474766412).

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

20200110020020 is a wasteful number, since it uses less digits than its factorization.

20200110020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099937 (or 1099935 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20200110020020 its reverse (2002001100202), we get a palindrome (22202111120222).

The spelling of 20200110020020 in words is "twenty trillion, two hundred billion, one hundred ten million, twenty thousand, twenty".