20682011329 has 4 divisors (see below), whose sum is σ = 23636584384. Its totient is φ = 17727438276.

The previous prime is 20682011239. The next prime is 20682011333. The reversal of 20682011329 is 92311028602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20682011329 is a prime.

It is a super-2 number, since 2×20682011329² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20682011294 and 20682011303.

It is not an unprimeable number, because it can be changed into a prime (20682011369) 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 in 3 ways as a sum of consecutive naturals, for example, 1477286517 + ... + 1477286530.

It is an arithmetic number, because the mean of its divisors is an integer number (5909146096).

Almost surely, 2^20682011329 is an apocalyptic number.

It is an amenable number.

20682011329 is a deficient number, since it is larger than the sum of its proper divisors (2954573055).

20682011329 is an equidigital number, since it uses as much as digits as its factorization.

20682011329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954573054.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 20682011329 in words is "twenty billion, six hundred eighty-two million, eleven thousand, three hundred twenty-nine".