20676723829 has 8 divisors (see below), whose sum is σ = 20739784320. Its totient is φ = 20613694416.

The previous prime is 20676723811. The next prime is 20676723853. The reversal of 20676723829 is 92832767602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20676723829 - 2¹¹ = 20676721781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20676723869) 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 7 ways as a sum of consecutive naturals, for example, 2680392 + ... + 2688094.

It is an arithmetic number, because the mean of its divisors is an integer number (2592473040).

Almost surely, 2^20676723829 is an apocalyptic number.

It is an amenable number.

20676723829 is a deficient number, since it is larger than the sum of its proper divisors (63060491).

20676723829 is an equidigital number, since it uses as much as digits as its factorization.

20676723829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15539.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 20676723829 in words is "twenty billion, six hundred seventy-six million, seven hundred twenty-three thousand, eight hundred twenty-nine".