20886753379 has 2 divisors, whose sum is σ = 20886753380. Its totient is φ = 20886753378.

The previous prime is 20886753361. The next prime is 20886753443. The reversal of 20886753379 is 97335768802.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20886753379 is a prime.

It is not a weakly prime, because it can be changed into another prime (20886753179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10443376689 + 10443376690.

It is an arithmetic number, because the mean of its divisors is an integer number (10443376690).

Almost surely, 2^20886753379 is an apocalyptic number.

20886753379 is a deficient number, since it is larger than the sum of its proper divisors (1).

20886753379 is an equidigital number, since it uses as much as digits as its factorization.

20886753379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 20886753379 in words is "twenty billion, eight hundred eighty-six million, seven hundred fifty-three thousand, three hundred seventy-nine".