2000203633613 has 2 divisors, whose sum is σ = 2000203633614. Its totient is φ = 2000203633612.

The previous prime is 2000203633609. The next prime is 2000203633633. The reversal of 2000203633613 is 3163363020002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1981163221444 + 19040412169 = 1407538^2 + 137987^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000203633613 - 2² = 2000203633609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000203633633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000101816806 + 1000101816807.

It is an arithmetic number, because the mean of its divisors is an integer number (1000101816807).

Almost surely, 2^{2000203633613} is an apocalyptic number.

It is an amenable number.

2000203633613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000203633613 is an equidigital number, since it uses as much as digits as its factorization.

2000203633613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 2000203633613 its reverse (3163363020002), we get a palindrome (5163566653615).

The spelling of 2000203633613 in words is "two trillion, two hundred three million, six hundred thirty-three thousand, six hundred thirteen".