20338121677007 has 2 divisors, whose sum is σ = 20338121677008. Its totient is φ = 20338121677006.

The previous prime is 20338121677001. The next prime is 20338121677009. The reversal of 20338121677007 is 70077612183302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20338121677007 - 2³² = 20333826709711 is a prime.

Together with 20338121677009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20338121677001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10169060838503 + 10169060838504.

It is an arithmetic number, because the mean of its divisors is an integer number (10169060838504).

Almost surely, 2^{20338121677007} is an apocalyptic number.

20338121677007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20338121677007 is an equidigital number, since it uses as much as digits as its factorization.

20338121677007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 20338121677007 in words is "twenty trillion, three hundred thirty-eight billion, one hundred twenty-one million, six hundred seventy-seven thousand, seven".