2113333400020 has 12 divisors (see below), whose sum is σ = 4438000140084. Its totient is φ = 845333360000.

The previous prime is 2113333400011. The next prime is 2113333400023. The reversal of 2113333400020 is 200043333112.

It can be written as a sum of positive squares in 2 ways, for example, as 720739873296 + 1392593526724 = 848964^2 + 1180082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2113333399964 and 2113333400000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113333400023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52833334981 + ... + 52833335020.

It is an arithmetic number, because the mean of its divisors is an integer number (369833345007).

Almost surely, 2^{2113333400020} is an apocalyptic number.

2113333400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113333400020 is an abundant number, since it is smaller than the sum of its proper divisors (2324666740064).

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

2113333400020 is a wasteful number, since it uses less digits than its factorization.

2113333400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105666670010 (or 105666670008 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2113333400020 its reverse (200043333112), we get a palindrome (2313376733132).

The spelling of 2113333400020 in words is "two trillion, one hundred thirteen billion, three hundred thirty-three million, four hundred thousand, twenty".