20002013322020 has 12 divisors (see below), whose sum is σ = 42004227976284. Its totient is φ = 8000805328800.

The previous prime is 20002013321977. The next prime is 20002013322037. The reversal of 20002013322020 is 2022331020002.

It can be written as a sum of positive squares in 2 ways, for example, as 5758771265536 + 14243242056484 = 2399744^2 + 3774022^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20002013322020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500050333031 + ... + 500050333070.

It is an arithmetic number, because the mean of its divisors is an integer number (3500352331357).

Almost surely, 2^{20002013322020} is an apocalyptic number.

20002013322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002013322020 is an abundant number, since it is smaller than the sum of its proper divisors (22002214654264).

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

20002013322020 is a wasteful number, since it uses less digits than its factorization.

20002013322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000100666110 (or 1000100666108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20002013322020 its reverse (2022331020002), we get a palindrome (22024344342022).

The spelling of 20002013322020 in words is "twenty trillion, two billion, thirteen million, three hundred twenty-two thousand, twenty".