20413334002381 has 2 divisors, whose sum is σ = 20413334002382. Its totient is φ = 20413334002380.

The previous prime is 20413334002273. The next prime is 20413334002403. The reversal of 20413334002381 is 18320043331402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17833230689481 + 2580103312900 = 4222941^2 + 1606270^2 .

It is a cyclic number.

It is not a de Polignac number, because 20413334002381 - 2¹⁷ = 20413333871309 is a prime.

It is a super-2 number, since 2×20413334002381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20413334002081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206667001190 + 10206667001191.

It is an arithmetic number, because the mean of its divisors is an integer number (10206667001191).

Almost surely, 2^{20413334002381} is an apocalyptic number.

It is an amenable number.

20413334002381 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413334002381 is an equidigital number, since it uses as much as digits as its factorization.

20413334002381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 20413334002381 its reverse (18320043331402), we get a palindrome (38733377333783).

The spelling of 20413334002381 in words is "twenty trillion, four hundred thirteen billion, three hundred thirty-four million, two thousand, three hundred eighty-one".